| //! This file is managed by `cargo dev update_lints`. Do not edit. |
| |
| use lazy_static::lazy_static; |
| |
| pub mod lint; |
| pub use lint::Level; |
| pub use lint::Lint; |
| pub use lint::LINT_LEVELS; |
| |
| lazy_static! { |
| // begin lint list, do not remove this comment, it’s used in `update_lints` |
| pub static ref ALL_LINTS: Vec<Lint> = vec![ |
| Lint { |
| name: "absurd_extreme_comparisons", |
| group: "correctness", |
| desc: "a comparison with a maximum or minimum value that is always true or false", |
| deprecation: None, |
| module: "types", |
| }, |
| Lint { |
| name: "almost_swapped", |
| group: "correctness", |
| desc: "`foo = bar; bar = foo` sequence", |
| deprecation: None, |
| module: "swap", |
| }, |
| Lint { |
| name: "approx_constant", |
| group: "correctness", |
| desc: "the approximate of a known float constant (in `std::fXX::consts`)", |
| deprecation: None, |
| module: "approx_const", |
| }, |
| Lint { |
| name: "as_conversions", |
| group: "restriction", |
| desc: "using a potentially dangerous silent `as` conversion", |
| deprecation: None, |
| module: "as_conversions", |
| }, |
| Lint { |
| name: "assertions_on_constants", |
| group: "style", |
| desc: "`assert!(true)` / `assert!(false)` will be optimized out by the compiler, and should probably be replaced by a `panic!()` or `unreachable!()`", |
| deprecation: None, |
| module: "assertions_on_constants", |
| }, |
| Lint { |
| name: "assign_op_pattern", |
| group: "style", |
| desc: "assigning the result of an operation on a variable to that same variable", |
| deprecation: None, |
| module: "assign_ops", |
| }, |
| Lint { |
| name: "async_yields_async", |
| group: "correctness", |
| desc: "async blocks that return a type that can be awaited", |
| deprecation: None, |
| module: "async_yields_async", |
| }, |
| Lint { |
| name: "await_holding_lock", |
| group: "pedantic", |
| desc: "Inside an async function, holding a MutexGuard while calling await", |
| deprecation: None, |
| module: "await_holding_lock", |
| }, |
| Lint { |
| name: "bad_bit_mask", |
| group: "correctness", |
| desc: "expressions of the form `_ & mask == select` that will only ever return `true` or `false`", |
| deprecation: None, |
| module: "bit_mask", |
| }, |
| Lint { |
| name: "bind_instead_of_map", |
| group: "complexity", |
| desc: "using `Option.and_then(|x| Some(y))`, which is more succinctly expressed as `map(|x| y)`", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "blacklisted_name", |
| group: "style", |
| desc: "usage of a blacklisted/placeholder name", |
| deprecation: None, |
| module: "blacklisted_name", |
| }, |
| Lint { |
| name: "blanket_clippy_restriction_lints", |
| group: "style", |
| desc: "enabling the complete restriction group", |
| deprecation: None, |
| module: "attrs", |
| }, |
| Lint { |
| name: "blocks_in_if_conditions", |
| group: "style", |
| desc: "useless or complex blocks that can be eliminated in conditions", |
| deprecation: None, |
| module: "blocks_in_if_conditions", |
| }, |
| Lint { |
| name: "bool_comparison", |
| group: "complexity", |
| desc: "comparing a variable to a boolean, e.g., `if x == true` or `if x != true`", |
| deprecation: None, |
| module: "needless_bool", |
| }, |
| Lint { |
| name: "borrow_interior_mutable_const", |
| group: "style", |
| desc: "referencing `const` with interior mutability", |
| deprecation: None, |
| module: "non_copy_const", |
| }, |
| Lint { |
| name: "borrowed_box", |
| group: "complexity", |
| desc: "a borrow of a boxed type", |
| deprecation: None, |
| module: "types", |
| }, |
| Lint { |
| name: "box_vec", |
| group: "perf", |
| desc: "usage of `Box<Vec<T>>`, vector elements are already on the heap", |
| deprecation: None, |
| module: "types", |
| }, |
| Lint { |
| name: "boxed_local", |
| group: "perf", |
| desc: "using `Box<T>` where unnecessary", |
| deprecation: None, |
| module: "escape", |
| }, |
| Lint { |
| name: "builtin_type_shadow", |
| group: "style", |
| desc: "shadowing a builtin type", |
| deprecation: None, |
| module: "misc_early", |
| }, |
| Lint { |
| name: "cargo_common_metadata", |
| group: "cargo", |
| desc: "common metadata is defined in `Cargo.toml`", |
| deprecation: None, |
| module: "cargo_common_metadata", |
| }, |
| Lint { |
| name: "cast_lossless", |
| group: "pedantic", |
| desc: "casts using `as` that are known to be lossless, e.g., `x as u64` where `x: u8`", |
| deprecation: None, |
| module: "types", |
| }, |
| Lint { |
| name: "cast_possible_truncation", |
| group: "pedantic", |
| desc: "casts that may cause truncation of the value, e.g., `x as u8` where `x: u32`, or `x as i32` where `x: f32`", |
| deprecation: None, |
| module: "types", |
| }, |
| Lint { |
| name: "cast_possible_wrap", |
| group: "pedantic", |
| desc: "casts that may cause wrapping around the value, e.g., `x as i32` where `x: u32` and `x > i32::MAX`", |
| deprecation: None, |
| module: "types", |
| }, |
| Lint { |
| name: "cast_precision_loss", |
| group: "pedantic", |
| desc: "casts that cause loss of precision, e.g., `x as f32` where `x: u64`", |
| deprecation: None, |
| module: "types", |
| }, |
| Lint { |
| name: "cast_ptr_alignment", |
| group: "pedantic", |
| desc: "cast from a pointer to a more-strictly-aligned pointer", |
| deprecation: None, |
| module: "types", |
| }, |
| Lint { |
| name: "cast_ref_to_mut", |
| group: "correctness", |
| desc: "a cast of reference to a mutable pointer", |
| deprecation: None, |
| module: "types", |
| }, |
| Lint { |
| name: "cast_sign_loss", |
| group: "pedantic", |
| desc: "casts from signed types to unsigned types, e.g., `x as u32` where `x: i32`", |
| deprecation: None, |
| module: "types", |
| }, |
| Lint { |
| name: "char_lit_as_u8", |
| group: "complexity", |
| desc: "casting a character literal to `u8` truncates", |
| deprecation: None, |
| module: "types", |
| }, |
| Lint { |
| name: "chars_last_cmp", |
| group: "style", |
| desc: "using `.chars().last()` or `.chars().next_back()` to check if a string ends with a char", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "chars_next_cmp", |
| group: "style", |
| desc: "using `.chars().next()` to check if a string starts with a char", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "checked_conversions", |
| group: "pedantic", |
| desc: "`try_from` could replace manual bounds checking when casting", |
| deprecation: None, |
| module: "checked_conversions", |
| }, |
| Lint { |
| name: "clone_double_ref", |
| group: "correctness", |
| desc: "using `clone` on `&&T`", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "clone_on_copy", |
| group: "complexity", |
| desc: "using `clone` on a `Copy` type", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "clone_on_ref_ptr", |
| group: "restriction", |
| desc: "using \'clone\' on a ref-counted pointer", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "cmp_nan", |
| group: "correctness", |
| desc: "comparisons to `NAN`, which will always return false, probably not intended", |
| deprecation: None, |
| module: "misc", |
| }, |
| Lint { |
| name: "cmp_null", |
| group: "style", |
| desc: "comparing a pointer to a null pointer, suggesting to use `.is_null()` instead.", |
| deprecation: None, |
| module: "ptr", |
| }, |
| Lint { |
| name: "cmp_owned", |
| group: "perf", |
| desc: "creating owned instances for comparing with others, e.g., `x == \"foo\".to_string()`", |
| deprecation: None, |
| module: "misc", |
| }, |
| Lint { |
| name: "cognitive_complexity", |
| group: "nursery", |
| desc: "functions that should be split up into multiple functions", |
| deprecation: None, |
| module: "cognitive_complexity", |
| }, |
| Lint { |
| name: "collapsible_if", |
| group: "style", |
| desc: "`if`s that can be collapsed (e.g., `if x { if y { ... } }` and `else { if x { ... } }`)", |
| deprecation: None, |
| module: "collapsible_if", |
| }, |
| Lint { |
| name: "comparison_chain", |
| group: "style", |
| desc: "`if`s that can be rewritten with `match` and `cmp`", |
| deprecation: None, |
| module: "comparison_chain", |
| }, |
| Lint { |
| name: "copy_iterator", |
| group: "pedantic", |
| desc: "implementing `Iterator` on a `Copy` type", |
| deprecation: None, |
| module: "copy_iterator", |
| }, |
| Lint { |
| name: "create_dir", |
| group: "restriction", |
| desc: "calling `std::fs::create_dir` instead of `std::fs::create_dir_all`", |
| deprecation: None, |
| module: "create_dir", |
| }, |
| Lint { |
| name: "crosspointer_transmute", |
| group: "complexity", |
| desc: "transmutes that have to or from types that are a pointer to the other", |
| deprecation: None, |
| module: "transmute", |
| }, |
| Lint { |
| name: "dbg_macro", |
| group: "restriction", |
| desc: "`dbg!` macro is intended as a debugging tool", |
| deprecation: None, |
| module: "dbg_macro", |
| }, |
| Lint { |
| name: "debug_assert_with_mut_call", |
| group: "nursery", |
| desc: "mutable arguments in `debug_assert{,_ne,_eq}!`", |
| deprecation: None, |
| module: "mutable_debug_assertion", |
| }, |
| Lint { |
| name: "decimal_literal_representation", |
| group: "restriction", |
| desc: "using decimal representation when hexadecimal would be better", |
| deprecation: None, |
| module: "literal_representation", |
| }, |
| Lint { |
| name: "declare_interior_mutable_const", |
| group: "style", |
| desc: "declaring `const` with interior mutability", |
| deprecation: None, |
| module: "non_copy_const", |
| }, |
| Lint { |
| name: "default_trait_access", |
| group: "pedantic", |
| desc: "checks for literal calls to `Default::default()`", |
| deprecation: None, |
| module: "default_trait_access", |
| }, |
| Lint { |
| name: "deprecated_cfg_attr", |
| group: "complexity", |
| desc: "usage of `cfg_attr(rustfmt)` instead of tool attributes", |
| deprecation: None, |
| module: "attrs", |
| }, |
| Lint { |
| name: "deprecated_semver", |
| group: "correctness", |
| desc: "use of `#[deprecated(since = \"x\")]` where x is not semver", |
| deprecation: None, |
| module: "attrs", |
| }, |
| Lint { |
| name: "deref_addrof", |
| group: "complexity", |
| desc: "use of `*&` or `*&mut` in an expression", |
| deprecation: None, |
| module: "reference", |
| }, |
| Lint { |
| name: "derive_hash_xor_eq", |
| group: "correctness", |
| desc: "deriving `Hash` but implementing `PartialEq` explicitly", |
| deprecation: None, |
| module: "derive", |
| }, |
| Lint { |
| name: "derive_ord_xor_partial_ord", |
| group: "correctness", |
| desc: "deriving `Ord` but implementing `PartialOrd` explicitly", |
| deprecation: None, |
| module: "derive", |
| }, |
| Lint { |
| name: "disallowed_method", |
| group: "nursery", |
| desc: "use of a disallowed method call", |
| deprecation: None, |
| module: "disallowed_method", |
| }, |
| Lint { |
| name: "diverging_sub_expression", |
| group: "complexity", |
| desc: "whether an expression contains a diverging sub expression", |
| deprecation: None, |
| module: "eval_order_dependence", |
| }, |
| Lint { |
| name: "doc_markdown", |
| group: "pedantic", |
| desc: "presence of `_`, `::` or camel-case outside backticks in documentation", |
| deprecation: None, |
| module: "doc", |
| }, |
| Lint { |
| name: "double_comparisons", |
| group: "complexity", |
| desc: "unnecessary double comparisons that can be simplified", |
| deprecation: None, |
| module: "double_comparison", |
| }, |
| Lint { |
| name: "double_must_use", |
| group: "style", |
| desc: "`#[must_use]` attribute on a `#[must_use]`-returning function / method", |
| deprecation: None, |
| module: "functions", |
| }, |
| Lint { |
| name: "double_neg", |
| group: "style", |
| desc: "`--x`, which is a double negation of `x` and not a pre-decrement as in C/C++", |
| deprecation: None, |
| module: "misc_early", |
| }, |
| Lint { |
| name: "double_parens", |
| group: "complexity", |
| desc: "Warn on unnecessary double parentheses", |
| deprecation: None, |
| module: "double_parens", |
| }, |
| Lint { |
| name: "drop_copy", |
| group: "correctness", |
| desc: "calls to `std::mem::drop` with a value that implements Copy", |
| deprecation: None, |
| module: "drop_forget_ref", |
| }, |
| Lint { |
| name: "drop_ref", |
| group: "correctness", |
| desc: "calls to `std::mem::drop` with a reference instead of an owned value", |
| deprecation: None, |
| module: "drop_forget_ref", |
| }, |
| Lint { |
| name: "duplicate_underscore_argument", |
| group: "style", |
| desc: "function arguments having names which only differ by an underscore", |
| deprecation: None, |
| module: "misc_early", |
| }, |
| Lint { |
| name: "duration_subsec", |
| group: "complexity", |
| desc: "checks for calculation of subsecond microseconds or milliseconds", |
| deprecation: None, |
| module: "duration_subsec", |
| }, |
| Lint { |
| name: "else_if_without_else", |
| group: "restriction", |
| desc: "`if` expression with an `else if`, but without a final `else` branch", |
| deprecation: None, |
| module: "else_if_without_else", |
| }, |
| Lint { |
| name: "empty_enum", |
| group: "pedantic", |
| desc: "enum with no variants", |
| deprecation: None, |
| module: "empty_enum", |
| }, |
| Lint { |
| name: "empty_line_after_outer_attr", |
| group: "nursery", |
| desc: "empty line after outer attribute", |
| deprecation: None, |
| module: "attrs", |
| }, |
| Lint { |
| name: "empty_loop", |
| group: "style", |
| desc: "empty `loop {}`, which should block or sleep", |
| deprecation: None, |
| module: "loops", |
| }, |
| Lint { |
| name: "enum_clike_unportable_variant", |
| group: "correctness", |
| desc: "C-like enums that are `repr(isize/usize)` and have values that don\'t fit into an `i32`", |
| deprecation: None, |
| module: "enum_clike", |
| }, |
| Lint { |
| name: "enum_glob_use", |
| group: "pedantic", |
| desc: "use items that import all variants of an enum", |
| deprecation: None, |
| module: "wildcard_imports", |
| }, |
| Lint { |
| name: "enum_variant_names", |
| group: "style", |
| desc: "enums where all variants share a prefix/postfix", |
| deprecation: None, |
| module: "enum_variants", |
| }, |
| Lint { |
| name: "eq_op", |
| group: "correctness", |
| desc: "equal operands on both sides of a comparison or bitwise combination (e.g., `x == x`)", |
| deprecation: None, |
| module: "eq_op", |
| }, |
| Lint { |
| name: "erasing_op", |
| group: "correctness", |
| desc: "using erasing operations, e.g., `x * 0` or `y & 0`", |
| deprecation: None, |
| module: "erasing_op", |
| }, |
| Lint { |
| name: "eval_order_dependence", |
| group: "complexity", |
| desc: "whether a variable read occurs before a write depends on sub-expression evaluation order", |
| deprecation: None, |
| module: "eval_order_dependence", |
| }, |
| Lint { |
| name: "excessive_precision", |
| group: "style", |
| desc: "excessive precision for float literal", |
| deprecation: None, |
| module: "float_literal", |
| }, |
| Lint { |
| name: "exit", |
| group: "restriction", |
| desc: "`std::process::exit` is called, terminating the program", |
| deprecation: None, |
| module: "exit", |
| }, |
| Lint { |
| name: "expect_fun_call", |
| group: "perf", |
| desc: "using any `expect` method with a function call", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "expect_used", |
| group: "restriction", |
| desc: "using `.expect()` on `Result` or `Option`, which might be better handled", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "expl_impl_clone_on_copy", |
| group: "pedantic", |
| desc: "implementing `Clone` explicitly on `Copy` types", |
| deprecation: None, |
| module: "derive", |
| }, |
| Lint { |
| name: "explicit_counter_loop", |
| group: "complexity", |
| desc: "for-looping with an explicit counter when `_.enumerate()` would do", |
| deprecation: None, |
| module: "loops", |
| }, |
| Lint { |
| name: "explicit_deref_methods", |
| group: "pedantic", |
| desc: "Explicit use of deref or deref_mut method while not in a method chain.", |
| deprecation: None, |
| module: "dereference", |
| }, |
| Lint { |
| name: "explicit_into_iter_loop", |
| group: "pedantic", |
| desc: "for-looping over `_.into_iter()` when `_` would do", |
| deprecation: None, |
| module: "loops", |
| }, |
| Lint { |
| name: "explicit_iter_loop", |
| group: "pedantic", |
| desc: "for-looping over `_.iter()` or `_.iter_mut()` when `&_` or `&mut _` would do", |
| deprecation: None, |
| module: "loops", |
| }, |
| Lint { |
| name: "explicit_write", |
| group: "complexity", |
| desc: "using the `write!()` family of functions instead of the `print!()` family of functions, when using the latter would work", |
| deprecation: None, |
| module: "explicit_write", |
| }, |
| Lint { |
| name: "extra_unused_lifetimes", |
| group: "complexity", |
| desc: "unused lifetimes in function definitions", |
| deprecation: None, |
| module: "lifetimes", |
| }, |
| Lint { |
| name: "fallible_impl_from", |
| group: "nursery", |
| desc: "Warn on impls of `From<..>` that contain `panic!()` or `unwrap()`", |
| deprecation: None, |
| module: "fallible_impl_from", |
| }, |
| Lint { |
| name: "filetype_is_file", |
| group: "restriction", |
| desc: "`FileType::is_file` is not recommended to test for readable file type", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "filter_map", |
| group: "pedantic", |
| desc: "using combinations of `filter`, `map`, `filter_map` and `flat_map` which can usually be written as a single method call", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "filter_map_next", |
| group: "pedantic", |
| desc: "using combination of `filter_map` and `next` which can usually be written as a single method call", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "filter_next", |
| group: "complexity", |
| desc: "using `filter(p).next()`, which is more succinctly expressed as `.find(p)`", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "find_map", |
| group: "pedantic", |
| desc: "using a combination of `find` and `map` can usually be written as a single method call", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "flat_map_identity", |
| group: "complexity", |
| desc: "call to `flat_map` where `flatten` is sufficient", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "float_arithmetic", |
| group: "restriction", |
| desc: "any floating-point arithmetic statement", |
| deprecation: None, |
| module: "arithmetic", |
| }, |
| Lint { |
| name: "float_cmp", |
| group: "correctness", |
| desc: "using `==` or `!=` on float values instead of comparing difference with an epsilon", |
| deprecation: None, |
| module: "misc", |
| }, |
| Lint { |
| name: "float_cmp_const", |
| group: "restriction", |
| desc: "using `==` or `!=` on float constants instead of comparing difference with an epsilon", |
| deprecation: None, |
| module: "misc", |
| }, |
| Lint { |
| name: "float_equality_without_abs", |
| group: "correctness", |
| desc: "float equality check without `.abs()`", |
| deprecation: None, |
| module: "float_equality_without_abs", |
| }, |
| Lint { |
| name: "fn_address_comparisons", |
| group: "correctness", |
| desc: "comparison with an address of a function item", |
| deprecation: None, |
| module: "unnamed_address", |
| }, |
| Lint { |
| name: "fn_params_excessive_bools", |
| group: "pedantic", |
| desc: "using too many bools in function parameters", |
| deprecation: None, |
| module: "excessive_bools", |
| }, |
| Lint { |
| name: "fn_to_numeric_cast", |
| group: "style", |
| desc: "casting a function pointer to a numeric type other than usize", |
| deprecation: None, |
| module: "types", |
| }, |
| Lint { |
| name: "fn_to_numeric_cast_with_truncation", |
| group: "style", |
| desc: "casting a function pointer to a numeric type not wide enough to store the address", |
| deprecation: None, |
| module: "types", |
| }, |
| Lint { |
| name: "for_kv_map", |
| group: "style", |
| desc: "looping on a map using `iter` when `keys` or `values` would do", |
| deprecation: None, |
| module: "loops", |
| }, |
| Lint { |
| name: "for_loops_over_fallibles", |
| group: "correctness", |
| desc: "for-looping over an `Option` or a `Result`, which is more clearly expressed as an `if let`", |
| deprecation: None, |
| module: "loops", |
| }, |
| Lint { |
| name: "forget_copy", |
| group: "correctness", |
| desc: "calls to `std::mem::forget` with a value that implements Copy", |
| deprecation: None, |
| module: "drop_forget_ref", |
| }, |
| Lint { |
| name: "forget_ref", |
| group: "correctness", |
| desc: "calls to `std::mem::forget` with a reference instead of an owned value", |
| deprecation: None, |
| module: "drop_forget_ref", |
| }, |
| Lint { |
| name: "future_not_send", |
| group: "nursery", |
| desc: "public Futures must be Send", |
| deprecation: None, |
| module: "future_not_send", |
| }, |
| Lint { |
| name: "get_last_with_len", |
| group: "complexity", |
| desc: "Using `x.get(x.len() - 1)` when `x.last()` is correct and simpler", |
| deprecation: None, |
| module: "get_last_with_len", |
| }, |
| Lint { |
| name: "get_unwrap", |
| group: "restriction", |
| desc: "using `.get().unwrap()` or `.get_mut().unwrap()` when using `[]` would work instead", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "identity_op", |
| group: "complexity", |
| desc: "using identity operations, e.g., `x + 0` or `y / 1`", |
| deprecation: None, |
| module: "identity_op", |
| }, |
| Lint { |
| name: "if_let_mutex", |
| group: "correctness", |
| desc: "locking a `Mutex` in an `if let` block can cause deadlocks", |
| deprecation: None, |
| module: "if_let_mutex", |
| }, |
| Lint { |
| name: "if_let_some_result", |
| group: "style", |
| desc: "usage of `ok()` in `if let Some(pat)` statements is unnecessary, match on `Ok(pat)` instead", |
| deprecation: None, |
| module: "if_let_some_result", |
| }, |
| Lint { |
| name: "if_not_else", |
| group: "pedantic", |
| desc: "`if` branches that could be swapped so no negation operation is necessary on the condition", |
| deprecation: None, |
| module: "if_not_else", |
| }, |
| Lint { |
| name: "if_same_then_else", |
| group: "correctness", |
| desc: "`if` with the same `then` and `else` blocks", |
| deprecation: None, |
| module: "copies", |
| }, |
| Lint { |
| name: "ifs_same_cond", |
| group: "correctness", |
| desc: "consecutive `if`s with the same condition", |
| deprecation: None, |
| module: "copies", |
| }, |
| Lint { |
| name: "implicit_hasher", |
| group: "pedantic", |
| desc: "missing generalization over different hashers", |
| deprecation: None, |
| module: "types", |
| }, |
| Lint { |
| name: "implicit_return", |
| group: "restriction", |
| desc: "use a return statement like `return expr` instead of an expression", |
| deprecation: None, |
| module: "implicit_return", |
| }, |
| Lint { |
| name: "implicit_saturating_sub", |
| group: "pedantic", |
| desc: "Perform saturating subtraction instead of implicitly checking lower bound of data type", |
| deprecation: None, |
| module: "implicit_saturating_sub", |
| }, |
| Lint { |
| name: "imprecise_flops", |
| group: "nursery", |
| desc: "usage of imprecise floating point operations", |
| deprecation: None, |
| module: "floating_point_arithmetic", |
| }, |
| Lint { |
| name: "inconsistent_digit_grouping", |
| group: "style", |
| desc: "integer literals with digits grouped inconsistently", |
| deprecation: None, |
| module: "literal_representation", |
| }, |
| Lint { |
| name: "indexing_slicing", |
| group: "restriction", |
| desc: "indexing/slicing usage", |
| deprecation: None, |
| module: "indexing_slicing", |
| }, |
| Lint { |
| name: "ineffective_bit_mask", |
| group: "correctness", |
| desc: "expressions where a bit mask will be rendered useless by a comparison, e.g., `(x | 1) > 2`", |
| deprecation: None, |
| module: "bit_mask", |
| }, |
| Lint { |
| name: "inefficient_to_string", |
| group: "pedantic", |
| desc: "using `to_string` on `&&T` where `T: ToString`", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "infallible_destructuring_match", |
| group: "style", |
| desc: "a `match` statement with a single infallible arm instead of a `let`", |
| deprecation: None, |
| module: "matches", |
| }, |
| Lint { |
| name: "infinite_iter", |
| group: "correctness", |
| desc: "infinite iteration", |
| deprecation: None, |
| module: "infinite_iter", |
| }, |
| Lint { |
| name: "inherent_to_string", |
| group: "style", |
| desc: "type implements inherent method `to_string()`, but should instead implement the `Display` trait", |
| deprecation: None, |
| module: "inherent_to_string", |
| }, |
| Lint { |
| name: "inherent_to_string_shadow_display", |
| group: "correctness", |
| desc: "type implements inherent method `to_string()`, which gets shadowed by the implementation of the `Display` trait", |
| deprecation: None, |
| module: "inherent_to_string", |
| }, |
| Lint { |
| name: "inline_always", |
| group: "pedantic", |
| desc: "use of `#[inline(always)]`", |
| deprecation: None, |
| module: "attrs", |
| }, |
| Lint { |
| name: "inline_asm_x86_att_syntax", |
| group: "restriction", |
| desc: "prefer Intel x86 assembly syntax", |
| deprecation: None, |
| module: "asm_syntax", |
| }, |
| Lint { |
| name: "inline_asm_x86_intel_syntax", |
| group: "restriction", |
| desc: "prefer AT&T x86 assembly syntax", |
| deprecation: None, |
| module: "asm_syntax", |
| }, |
| Lint { |
| name: "inline_fn_without_body", |
| group: "correctness", |
| desc: "use of `#[inline]` on trait methods without bodies", |
| deprecation: None, |
| module: "inline_fn_without_body", |
| }, |
| Lint { |
| name: "int_plus_one", |
| group: "complexity", |
| desc: "instead of using `x >= y + 1`, use `x > y`", |
| deprecation: None, |
| module: "int_plus_one", |
| }, |
| Lint { |
| name: "integer_arithmetic", |
| group: "restriction", |
| desc: "any integer arithmetic expression which could overflow or panic", |
| deprecation: None, |
| module: "arithmetic", |
| }, |
| Lint { |
| name: "integer_division", |
| group: "restriction", |
| desc: "integer division may cause loss of precision", |
| deprecation: None, |
| module: "integer_division", |
| }, |
| Lint { |
| name: "into_iter_on_ref", |
| group: "style", |
| desc: "using `.into_iter()` on a reference", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "invalid_atomic_ordering", |
| group: "correctness", |
| desc: "usage of invalid atomic ordering in atomic operations and memory fences", |
| deprecation: None, |
| module: "atomic_ordering", |
| }, |
| Lint { |
| name: "invalid_regex", |
| group: "correctness", |
| desc: "invalid regular expressions", |
| deprecation: None, |
| module: "regex", |
| }, |
| Lint { |
| name: "invalid_upcast_comparisons", |
| group: "pedantic", |
| desc: "a comparison involving an upcast which is always true or false", |
| deprecation: None, |
| module: "types", |
| }, |
| Lint { |
| name: "invisible_characters", |
| group: "correctness", |
| desc: "using an invisible character in a string literal, which is confusing", |
| deprecation: None, |
| module: "unicode", |
| }, |
| Lint { |
| name: "items_after_statements", |
| group: "pedantic", |
| desc: "blocks where an item comes after a statement", |
| deprecation: None, |
| module: "items_after_statements", |
| }, |
| Lint { |
| name: "iter_cloned_collect", |
| group: "style", |
| desc: "using `.cloned().collect()` on slice to create a `Vec`", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "iter_next_loop", |
| group: "correctness", |
| desc: "for-looping over `_.next()` which is probably not intended", |
| deprecation: None, |
| module: "loops", |
| }, |
| Lint { |
| name: "iter_next_slice", |
| group: "style", |
| desc: "using `.iter().next()` on a sliced array, which can be shortened to just `.get()`", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "iter_nth", |
| group: "perf", |
| desc: "using `.iter().nth()` on a standard library type with O(1) element access", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "iter_nth_zero", |
| group: "style", |
| desc: "replace `iter.nth(0)` with `iter.next()`", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "iter_skip_next", |
| group: "style", |
| desc: "using `.skip(x).next()` on an iterator", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "iterator_step_by_zero", |
| group: "correctness", |
| desc: "using `Iterator::step_by(0)`, which will panic at runtime", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "just_underscores_and_digits", |
| group: "style", |
| desc: "unclear name", |
| deprecation: None, |
| module: "non_expressive_names", |
| }, |
| Lint { |
| name: "large_const_arrays", |
| group: "perf", |
| desc: "large non-scalar const array may cause performance overhead", |
| deprecation: None, |
| module: "large_const_arrays", |
| }, |
| Lint { |
| name: "large_digit_groups", |
| group: "pedantic", |
| desc: "grouping digits into groups that are too large", |
| deprecation: None, |
| module: "literal_representation", |
| }, |
| Lint { |
| name: "large_enum_variant", |
| group: "perf", |
| desc: "large size difference between variants on an enum", |
| deprecation: None, |
| module: "large_enum_variant", |
| }, |
| Lint { |
| name: "large_stack_arrays", |
| group: "pedantic", |
| desc: "allocating large arrays on stack may cause stack overflow", |
| deprecation: None, |
| module: "large_stack_arrays", |
| }, |
| Lint { |
| name: "len_without_is_empty", |
| group: "style", |
| desc: "traits or impls with a public `len` method but no corresponding `is_empty` method", |
| deprecation: None, |
| module: "len_zero", |
| }, |
| Lint { |
| name: "len_zero", |
| group: "style", |
| desc: "checking `.len() == 0` or `.len() > 0` (or similar) when `.is_empty()` could be used instead", |
| deprecation: None, |
| module: "len_zero", |
| }, |
| Lint { |
| name: "let_and_return", |
| group: "style", |
| desc: "creating a let-binding and then immediately returning it like `let x = expr; x` at the end of a block", |
| deprecation: None, |
| module: "returns", |
| }, |
| Lint { |
| name: "let_underscore_lock", |
| group: "correctness", |
| desc: "non-binding let on a synchronization lock", |
| deprecation: None, |
| module: "let_underscore", |
| }, |
| Lint { |
| name: "let_underscore_must_use", |
| group: "restriction", |
| desc: "non-binding let on a `#[must_use]` expression", |
| deprecation: None, |
| module: "let_underscore", |
| }, |
| Lint { |
| name: "let_unit_value", |
| group: "pedantic", |
| desc: "creating a `let` binding to a value of unit type, which usually can\'t be used afterwards", |
| deprecation: None, |
| module: "types", |
| }, |
| Lint { |
| name: "linkedlist", |
| group: "pedantic", |
| desc: "usage of LinkedList, usually a vector is faster, or a more specialized data structure like a `VecDeque`", |
| deprecation: None, |
| module: "types", |
| }, |
| Lint { |
| name: "logic_bug", |
| group: "correctness", |
| desc: "boolean expressions that contain terminals which can be eliminated", |
| deprecation: None, |
| module: "booleans", |
| }, |
| Lint { |
| name: "lossy_float_literal", |
| group: "restriction", |
| desc: "lossy whole number float literals", |
| deprecation: None, |
| module: "float_literal", |
| }, |
| Lint { |
| name: "macro_use_imports", |
| group: "pedantic", |
| desc: "#[macro_use] is no longer needed", |
| deprecation: None, |
| module: "macro_use", |
| }, |
| Lint { |
| name: "main_recursion", |
| group: "style", |
| desc: "recursion using the entrypoint", |
| deprecation: None, |
| module: "main_recursion", |
| }, |
| Lint { |
| name: "manual_async_fn", |
| group: "style", |
| desc: "manual implementations of `async` functions can be simplified using the dedicated syntax", |
| deprecation: None, |
| module: "manual_async_fn", |
| }, |
| Lint { |
| name: "manual_memcpy", |
| group: "perf", |
| desc: "manually copying items between slices", |
| deprecation: None, |
| module: "loops", |
| }, |
| Lint { |
| name: "manual_non_exhaustive", |
| group: "style", |
| desc: "manual implementations of the non-exhaustive pattern can be simplified using #[non_exhaustive]", |
| deprecation: None, |
| module: "manual_non_exhaustive", |
| }, |
| Lint { |
| name: "manual_saturating_arithmetic", |
| group: "style", |
| desc: "`.chcked_add/sub(x).unwrap_or(MAX/MIN)`", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "manual_strip", |
| group: "complexity", |
| desc: "suggests using `strip_{prefix,suffix}` over `str::{starts,ends}_with` and slicing", |
| deprecation: None, |
| module: "manual_strip", |
| }, |
| Lint { |
| name: "manual_swap", |
| group: "complexity", |
| desc: "manual swap of two variables", |
| deprecation: None, |
| module: "swap", |
| }, |
| Lint { |
| name: "many_single_char_names", |
| group: "style", |
| desc: "too many single character bindings", |
| deprecation: None, |
| module: "non_expressive_names", |
| }, |
| Lint { |
| name: "map_clone", |
| group: "style", |
| desc: "using `iterator.map(|x| x.clone())`, or dereferencing closures for `Copy` types", |
| deprecation: None, |
| module: "map_clone", |
| }, |
| Lint { |
| name: "map_entry", |
| group: "perf", |
| desc: "use of `contains_key` followed by `insert` on a `HashMap` or `BTreeMap`", |
| deprecation: None, |
| module: "entry", |
| }, |
| Lint { |
| name: "map_err_ignore", |
| group: "pedantic", |
| desc: "`map_err` should not ignore the original error", |
| deprecation: None, |
| module: "map_err_ignore", |
| }, |
| Lint { |
| name: "map_flatten", |
| group: "pedantic", |
| desc: "using combinations of `flatten` and `map` which can usually be written as a single method call", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "map_identity", |
| group: "complexity", |
| desc: "using iterator.map(|x| x)", |
| deprecation: None, |
| module: "map_identity", |
| }, |
| Lint { |
| name: "map_unwrap_or", |
| group: "pedantic", |
| desc: "using `.map(f).unwrap_or(a)` or `.map(f).unwrap_or_else(func)`, which are more succinctly expressed as `map_or(a, f)` or `map_or_else(a, f)`", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "match_as_ref", |
| group: "complexity", |
| desc: "a `match` on an Option value instead of using `as_ref()` or `as_mut`", |
| deprecation: None, |
| module: "matches", |
| }, |
| Lint { |
| name: "match_bool", |
| group: "pedantic", |
| desc: "a `match` on a boolean expression instead of an `if..else` block", |
| deprecation: None, |
| module: "matches", |
| }, |
| Lint { |
| name: "match_like_matches_macro", |
| group: "style", |
| desc: "a match that could be written with the matches! macro", |
| deprecation: None, |
| module: "matches", |
| }, |
| Lint { |
| name: "match_on_vec_items", |
| group: "pedantic", |
| desc: "matching on vector elements can panic", |
| deprecation: None, |
| module: "match_on_vec_items", |
| }, |
| Lint { |
| name: "match_overlapping_arm", |
| group: "style", |
| desc: "a `match` with overlapping arms", |
| deprecation: None, |
| module: "matches", |
| }, |
| Lint { |
| name: "match_ref_pats", |
| group: "style", |
| desc: "a `match` or `if let` with all arms prefixed with `&` instead of deref-ing the match expression", |
| deprecation: None, |
| module: "matches", |
| }, |
| Lint { |
| name: "match_same_arms", |
| group: "pedantic", |
| desc: "`match` with identical arm bodies", |
| deprecation: None, |
| module: "copies", |
| }, |
| Lint { |
| name: "match_single_binding", |
| group: "complexity", |
| desc: "a match with a single binding instead of using `let` statement", |
| deprecation: None, |
| module: "matches", |
| }, |
| Lint { |
| name: "match_wild_err_arm", |
| group: "pedantic", |
| desc: "a `match` with `Err(_)` arm and take drastic actions", |
| deprecation: None, |
| module: "matches", |
| }, |
| Lint { |
| name: "match_wildcard_for_single_variants", |
| group: "pedantic", |
| desc: "a wildcard enum match for a single variant", |
| deprecation: None, |
| module: "matches", |
| }, |
| Lint { |
| name: "maybe_infinite_iter", |
| group: "pedantic", |
| desc: "possible infinite iteration", |
| deprecation: None, |
| module: "infinite_iter", |
| }, |
| Lint { |
| name: "mem_discriminant_non_enum", |
| group: "correctness", |
| desc: "calling `mem::descriminant` on non-enum type", |
| deprecation: None, |
| module: "mem_discriminant", |
| }, |
| Lint { |
| name: "mem_forget", |
| group: "restriction", |
| desc: "`mem::forget` usage on `Drop` types, likely to cause memory leaks", |
| deprecation: None, |
| module: "mem_forget", |
| }, |
| Lint { |
| name: "mem_replace_option_with_none", |
| group: "style", |
| desc: "replacing an `Option` with `None` instead of `take()`", |
| deprecation: None, |
| module: "mem_replace", |
| }, |
| Lint { |
| name: "mem_replace_with_default", |
| group: "style", |
| desc: "replacing a value of type `T` with `T::default()` instead of using `std::mem::take`", |
| deprecation: None, |
| module: "mem_replace", |
| }, |
| Lint { |
| name: "mem_replace_with_uninit", |
| group: "correctness", |
| desc: "`mem::replace(&mut _, mem::uninitialized())` or `mem::replace(&mut _, mem::zeroed())`", |
| deprecation: None, |
| module: "mem_replace", |
| }, |
| Lint { |
| name: "min_max", |
| group: "correctness", |
| desc: "`min(_, max(_, _))` (or vice versa) with bounds clamping the result to a constant", |
| deprecation: None, |
| module: "minmax", |
| }, |
| Lint { |
| name: "mismatched_target_os", |
| group: "correctness", |
| desc: "usage of `cfg(operating_system)` instead of `cfg(target_os = \"operating_system\")`", |
| deprecation: None, |
| module: "attrs", |
| }, |
| Lint { |
| name: "misrefactored_assign_op", |
| group: "complexity", |
| desc: "having a variable on both sides of an assign op", |
| deprecation: None, |
| module: "assign_ops", |
| }, |
| Lint { |
| name: "missing_const_for_fn", |
| group: "nursery", |
| desc: "Lint functions definitions that could be made `const fn`", |
| deprecation: None, |
| module: "missing_const_for_fn", |
| }, |
| Lint { |
| name: "missing_docs_in_private_items", |
| group: "restriction", |
| desc: "detects missing documentation for public and private members", |
| deprecation: None, |
| module: "missing_doc", |
| }, |
| Lint { |
| name: "missing_errors_doc", |
| group: "pedantic", |
| desc: "`pub fn` returns `Result` without `# Errors` in doc comment", |
| deprecation: None, |
| module: "doc", |
| }, |
| Lint { |
| name: "missing_inline_in_public_items", |
| group: "restriction", |
| desc: "detects missing `#[inline]` attribute for public callables (functions, trait methods, methods...)", |
| deprecation: None, |
| module: "missing_inline", |
| }, |
| Lint { |
| name: "missing_safety_doc", |
| group: "style", |
| desc: "`pub unsafe fn` without `# Safety` docs", |
| deprecation: None, |
| module: "doc", |
| }, |
| Lint { |
| name: "mistyped_literal_suffixes", |
| group: "correctness", |
| desc: "mistyped literal suffix", |
| deprecation: None, |
| module: "literal_representation", |
| }, |
| Lint { |
| name: "mixed_case_hex_literals", |
| group: "style", |
| desc: "hex literals whose letter digits are not consistently upper- or lowercased", |
| deprecation: None, |
| module: "misc_early", |
| }, |
| Lint { |
| name: "module_inception", |
| group: "style", |
| desc: "modules that have the same name as their parent module", |
| deprecation: None, |
| module: "enum_variants", |
| }, |
| Lint { |
| name: "module_name_repetitions", |
| group: "pedantic", |
| desc: "type names prefixed/postfixed with their containing module\'s name", |
| deprecation: None, |
| module: "enum_variants", |
| }, |
| Lint { |
| name: "modulo_arithmetic", |
| group: "restriction", |
| desc: "any modulo arithmetic statement", |
| deprecation: None, |
| module: "modulo_arithmetic", |
| }, |
| Lint { |
| name: "modulo_one", |
| group: "correctness", |
| desc: "taking a number modulo 1, which always returns 0", |
| deprecation: None, |
| module: "misc", |
| }, |
| Lint { |
| name: "multiple_crate_versions", |
| group: "cargo", |
| desc: "multiple versions of the same crate being used", |
| deprecation: None, |
| module: "multiple_crate_versions", |
| }, |
| Lint { |
| name: "multiple_inherent_impl", |
| group: "restriction", |
| desc: "Multiple inherent impl that could be grouped", |
| deprecation: None, |
| module: "inherent_impl", |
| }, |
| Lint { |
| name: "must_use_candidate", |
| group: "pedantic", |
| desc: "function or method that could take a `#[must_use]` attribute", |
| deprecation: None, |
| module: "functions", |
| }, |
| Lint { |
| name: "must_use_unit", |
| group: "style", |
| desc: "`#[must_use]` attribute on a unit-returning function / method", |
| deprecation: None, |
| module: "functions", |
| }, |
| Lint { |
| name: "mut_from_ref", |
| group: "correctness", |
| desc: "fns that create mutable refs from immutable ref args", |
| deprecation: None, |
| module: "ptr", |
| }, |
| Lint { |
| name: "mut_mut", |
| group: "pedantic", |
| desc: "usage of double-mut refs, e.g., `&mut &mut ...`", |
| deprecation: None, |
| module: "mut_mut", |
| }, |
| Lint { |
| name: "mut_range_bound", |
| group: "complexity", |
| desc: "for loop over a range where one of the bounds is a mutable variable", |
| deprecation: None, |
| module: "loops", |
| }, |
| Lint { |
| name: "mutable_key_type", |
| group: "correctness", |
| desc: "Check for mutable `Map`/`Set` key type", |
| deprecation: None, |
| module: "mut_key", |
| }, |
| Lint { |
| name: "mutex_atomic", |
| group: "perf", |
| desc: "using a mutex where an atomic value could be used instead", |
| deprecation: None, |
| module: "mutex_atomic", |
| }, |
| Lint { |
| name: "mutex_integer", |
| group: "nursery", |
| desc: "using a mutex for an integer type", |
| deprecation: None, |
| module: "mutex_atomic", |
| }, |
| Lint { |
| name: "naive_bytecount", |
| group: "perf", |
| desc: "use of naive `<slice>.filter(|&x| x == y).count()` to count byte values", |
| deprecation: None, |
| module: "bytecount", |
| }, |
| Lint { |
| name: "needless_arbitrary_self_type", |
| group: "complexity", |
| desc: "type of `self` parameter is already by default `Self`", |
| deprecation: None, |
| module: "needless_arbitrary_self_type", |
| }, |
| Lint { |
| name: "needless_bool", |
| group: "complexity", |
| desc: "if-statements with plain booleans in the then- and else-clause, e.g., `if p { true } else { false }`", |
| deprecation: None, |
| module: "needless_bool", |
| }, |
| Lint { |
| name: "needless_borrow", |
| group: "nursery", |
| desc: "taking a reference that is going to be automatically dereferenced", |
| deprecation: None, |
| module: "needless_borrow", |
| }, |
| Lint { |
| name: "needless_borrowed_reference", |
| group: "complexity", |
| desc: "taking a needless borrowed reference", |
| deprecation: None, |
| module: "needless_borrowed_ref", |
| }, |
| Lint { |
| name: "needless_collect", |
| group: "perf", |
| desc: "collecting an iterator when collect is not needed", |
| deprecation: None, |
| module: "loops", |
| }, |
| Lint { |
| name: "needless_continue", |
| group: "pedantic", |
| desc: "`continue` statements that can be replaced by a rearrangement of code", |
| deprecation: None, |
| module: "needless_continue", |
| }, |
| Lint { |
| name: "needless_doctest_main", |
| group: "style", |
| desc: "presence of `fn main() {` in code examples", |
| deprecation: None, |
| module: "doc", |
| }, |
| Lint { |
| name: "needless_lifetimes", |
| group: "complexity", |
| desc: "using explicit lifetimes for references in function arguments when elision rules would allow omitting them", |
| deprecation: None, |
| module: "lifetimes", |
| }, |
| Lint { |
| name: "needless_pass_by_value", |
| group: "pedantic", |
| desc: "functions taking arguments by value, but not consuming them in its body", |
| deprecation: None, |
| module: "needless_pass_by_value", |
| }, |
| Lint { |
| name: "needless_range_loop", |
| group: "style", |
| desc: "for-looping over a range of indices where an iterator over items would do", |
| deprecation: None, |
| module: "loops", |
| }, |
| Lint { |
| name: "needless_return", |
| group: "style", |
| desc: "using a return statement like `return expr;` where an expression would suffice", |
| deprecation: None, |
| module: "returns", |
| }, |
| Lint { |
| name: "needless_update", |
| group: "complexity", |
| desc: "using `Foo { ..base }` when there are no missing fields", |
| deprecation: None, |
| module: "needless_update", |
| }, |
| Lint { |
| name: "neg_cmp_op_on_partial_ord", |
| group: "complexity", |
| desc: "The use of negated comparison operators on partially ordered types may produce confusing code.", |
| deprecation: None, |
| module: "neg_cmp_op_on_partial_ord", |
| }, |
| Lint { |
| name: "neg_multiply", |
| group: "style", |
| desc: "multiplying integers with `-1`", |
| deprecation: None, |
| module: "neg_multiply", |
| }, |
| Lint { |
| name: "never_loop", |
| group: "correctness", |
| desc: "any loop that will always `break` or `return`", |
| deprecation: None, |
| module: "loops", |
| }, |
| Lint { |
| name: "new_ret_no_self", |
| group: "style", |
| desc: "not returning type containing `Self` in a `new` method", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "new_without_default", |
| group: "style", |
| desc: "`fn new() -> Self` method without `Default` implementation", |
| deprecation: None, |
| module: "new_without_default", |
| }, |
| Lint { |
| name: "no_effect", |
| group: "complexity", |
| desc: "statements with no effect", |
| deprecation: None, |
| module: "no_effect", |
| }, |
| Lint { |
| name: "non_ascii_literal", |
| group: "pedantic", |
| desc: "using any literal non-ASCII chars in a string literal instead of using the `\\\\u` escape", |
| deprecation: None, |
| module: "unicode", |
| }, |
| Lint { |
| name: "nonminimal_bool", |
| group: "complexity", |
| desc: "boolean expressions that can be written more concisely", |
| deprecation: None, |
| module: "booleans", |
| }, |
| Lint { |
| name: "nonsensical_open_options", |
| group: "correctness", |
| desc: "nonsensical combination of options for opening a file", |
| deprecation: None, |
| module: "open_options", |
| }, |
| Lint { |
| name: "not_unsafe_ptr_arg_deref", |
| group: "correctness", |
| desc: "public functions dereferencing raw pointer arguments but not marked `unsafe`", |
| deprecation: None, |
| module: "functions", |
| }, |
| Lint { |
| name: "ok_expect", |
| group: "style", |
| desc: "using `ok().expect()`, which gives worse error messages than calling `expect` directly on the Result", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "op_ref", |
| group: "style", |
| desc: "taking a reference to satisfy the type constraints on `==`", |
| deprecation: None, |
| module: "eq_op", |
| }, |
| Lint { |
| name: "option_as_ref_deref", |
| group: "complexity", |
| desc: "using `as_ref().map(Deref::deref)`, which is more succinctly expressed as `as_deref()`", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "option_env_unwrap", |
| group: "correctness", |
| desc: "using `option_env!(...).unwrap()` to get environment variable", |
| deprecation: None, |
| module: "option_env_unwrap", |
| }, |
| Lint { |
| name: "option_if_let_else", |
| group: "pedantic", |
| desc: "reimplementation of Option::map_or", |
| deprecation: None, |
| module: "option_if_let_else", |
| }, |
| Lint { |
| name: "option_map_or_none", |
| group: "style", |
| desc: "using `Option.map_or(None, f)`, which is more succinctly expressed as `and_then(f)`", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "option_map_unit_fn", |
| group: "complexity", |
| desc: "using `option.map(f)`, where `f` is a function or closure that returns `()`", |
| deprecation: None, |
| module: "map_unit_fn", |
| }, |
| Lint { |
| name: "option_option", |
| group: "pedantic", |
| desc: "usage of `Option<Option<T>>`", |
| deprecation: None, |
| module: "types", |
| }, |
| Lint { |
| name: "or_fun_call", |
| group: "perf", |
| desc: "using any `*or` method with a function call, which suggests `*or_else`", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "out_of_bounds_indexing", |
| group: "correctness", |
| desc: "out of bounds constant indexing", |
| deprecation: None, |
| module: "indexing_slicing", |
| }, |
| Lint { |
| name: "overflow_check_conditional", |
| group: "complexity", |
| desc: "overflow checks inspired by C which are likely to panic", |
| deprecation: None, |
| module: "overflow_check_conditional", |
| }, |
| Lint { |
| name: "panic", |
| group: "restriction", |
| desc: "usage of the `panic!` macro", |
| deprecation: None, |
| module: "panic_unimplemented", |
| }, |
| Lint { |
| name: "panic_in_result_fn", |
| group: "restriction", |
| desc: "functions of type `Result<..>` that contain `panic!()`, `todo!()` or `unreachable()` or `unimplemented()` ", |
| deprecation: None, |
| module: "panic_in_result_fn", |
| }, |
| Lint { |
| name: "panic_params", |
| group: "style", |
| desc: "missing parameters in `panic!` calls", |
| deprecation: None, |
| module: "panic_unimplemented", |
| }, |
| Lint { |
| name: "panicking_unwrap", |
| group: "correctness", |
| desc: "checks for calls of `unwrap[_err]()` that will always fail", |
| deprecation: None, |
| module: "unwrap", |
| }, |
| Lint { |
| name: "partialeq_ne_impl", |
| group: "complexity", |
| desc: "re-implementing `PartialEq::ne`", |
| deprecation: None, |
| module: "partialeq_ne_impl", |
| }, |
| Lint { |
| name: "path_buf_push_overwrite", |
| group: "nursery", |
| desc: "calling `push` with file system root on `PathBuf` can overwrite it", |
| deprecation: None, |
| module: "path_buf_push_overwrite", |
| }, |
| Lint { |
| name: "pattern_type_mismatch", |
| group: "restriction", |
| desc: "type of pattern does not match the expression type", |
| deprecation: None, |
| module: "pattern_type_mismatch", |
| }, |
| Lint { |
| name: "possible_missing_comma", |
| group: "correctness", |
| desc: "possible missing comma in array", |
| deprecation: None, |
| module: "formatting", |
| }, |
| Lint { |
| name: "precedence", |
| group: "complexity", |
| desc: "operations where precedence may be unclear", |
| deprecation: None, |
| module: "precedence", |
| }, |
| Lint { |
| name: "print_literal", |
| group: "style", |
| desc: "printing a literal with a format string", |
| deprecation: None, |
| module: "write", |
| }, |
| Lint { |
| name: "print_stdout", |
| group: "restriction", |
| desc: "printing on stdout", |
| deprecation: None, |
| module: "write", |
| }, |
| Lint { |
| name: "print_with_newline", |
| group: "style", |
| desc: "using `print!()` with a format string that ends in a single newline", |
| deprecation: None, |
| module: "write", |
| }, |
| Lint { |
| name: "println_empty_string", |
| group: "style", |
| desc: "using `println!(\"\")` with an empty string", |
| deprecation: None, |
| module: "write", |
| }, |
| Lint { |
| name: "ptr_arg", |
| group: "style", |
| desc: "fn arguments of the type `&Vec<...>` or `&String`, suggesting to use `&[...]` or `&str` instead, respectively", |
| deprecation: None, |
| module: "ptr", |
| }, |
| Lint { |
| name: "ptr_offset_with_cast", |
| group: "complexity", |
| desc: "unneeded pointer offset cast", |
| deprecation: None, |
| module: "ptr_offset_with_cast", |
| }, |
| Lint { |
| name: "pub_enum_variant_names", |
| group: "pedantic", |
| desc: "public enums where all variants share a prefix/postfix", |
| deprecation: None, |
| module: "enum_variants", |
| }, |
| Lint { |
| name: "question_mark", |
| group: "style", |
| desc: "checks for expressions that could be replaced by the question mark operator", |
| deprecation: None, |
| module: "question_mark", |
| }, |
| Lint { |
| name: "range_minus_one", |
| group: "pedantic", |
| desc: "`x..=(y-1)` reads better as `x..y`", |
| deprecation: None, |
| module: "ranges", |
| }, |
| Lint { |
| name: "range_plus_one", |
| group: "pedantic", |
| desc: "`x..(y+1)` reads better as `x..=y`", |
| deprecation: None, |
| module: "ranges", |
| }, |
| Lint { |
| name: "range_zip_with_len", |
| group: "complexity", |
| desc: "zipping iterator with a range when `enumerate()` would do", |
| deprecation: None, |
| module: "ranges", |
| }, |
| Lint { |
| name: "rc_buffer", |
| group: "restriction", |
| desc: "shared ownership of a buffer type", |
| deprecation: None, |
| module: "types", |
| }, |
| Lint { |
| name: "redundant_allocation", |
| group: "perf", |
| desc: "redundant allocation", |
| deprecation: None, |
| module: "types", |
| }, |
| Lint { |
| name: "redundant_clone", |
| group: "perf", |
| desc: "`clone()` of an owned value that is going to be dropped immediately", |
| deprecation: None, |
| module: "redundant_clone", |
| }, |
| Lint { |
| name: "redundant_closure", |
| group: "style", |
| desc: "redundant closures, i.e., `|a| foo(a)` (which can be written as just `foo`)", |
| deprecation: None, |
| module: "eta_reduction", |
| }, |
| Lint { |
| name: "redundant_closure_call", |
| group: "complexity", |
| desc: "throwaway closures called in the expression they are defined", |
| deprecation: None, |
| module: "redundant_closure_call", |
| }, |
| Lint { |
| name: "redundant_closure_for_method_calls", |
| group: "pedantic", |
| desc: "redundant closures for method calls", |
| deprecation: None, |
| module: "eta_reduction", |
| }, |
| Lint { |
| name: "redundant_field_names", |
| group: "style", |
| desc: "checks for fields in struct literals where shorthands could be used", |
| deprecation: None, |
| module: "redundant_field_names", |
| }, |
| Lint { |
| name: "redundant_pattern", |
| group: "style", |
| desc: "using `name @ _` in a pattern", |
| deprecation: None, |
| module: "misc_early", |
| }, |
| Lint { |
| name: "redundant_pattern_matching", |
| group: "style", |
| desc: "use the proper utility function avoiding an `if let`", |
| deprecation: None, |
| module: "matches", |
| }, |
| Lint { |
| name: "redundant_pub_crate", |
| group: "nursery", |
| desc: "Using `pub(crate)` visibility on items that are not crate visible due to the visibility of the module that contains them.", |
| deprecation: None, |
| module: "redundant_pub_crate", |
| }, |
| Lint { |
| name: "redundant_static_lifetimes", |
| group: "style", |
| desc: "Using explicit `\'static` lifetime for constants or statics when elision rules would allow omitting them.", |
| deprecation: None, |
| module: "redundant_static_lifetimes", |
| }, |
| Lint { |
| name: "ref_in_deref", |
| group: "complexity", |
| desc: "Use of reference in auto dereference expression.", |
| deprecation: None, |
| module: "reference", |
| }, |
| Lint { |
| name: "repeat_once", |
| group: "complexity", |
| desc: "using `.repeat(1)` instead of `String.clone()`, `str.to_string()` or `slice.to_vec()` ", |
| deprecation: None, |
| module: "repeat_once", |
| }, |
| Lint { |
| name: "rest_pat_in_fully_bound_structs", |
| group: "restriction", |
| desc: "a match on a struct that binds all fields but still uses the wildcard pattern", |
| deprecation: None, |
| module: "matches", |
| }, |
| Lint { |
| name: "result_map_or_into_option", |
| group: "style", |
| desc: "using `Result.map_or(None, Some)`, which is more succinctly expressed as `ok()`", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "result_map_unit_fn", |
| group: "complexity", |
| desc: "using `result.map(f)`, where `f` is a function or closure that returns `()`", |
| deprecation: None, |
| module: "map_unit_fn", |
| }, |
| Lint { |
| name: "reversed_empty_ranges", |
| group: "correctness", |
| desc: "reversing the limits of range expressions, resulting in empty ranges", |
| deprecation: None, |
| module: "ranges", |
| }, |
| Lint { |
| name: "same_functions_in_if_condition", |
| group: "pedantic", |
| desc: "consecutive `if`s with the same function call", |
| deprecation: None, |
| module: "copies", |
| }, |
| Lint { |
| name: "same_item_push", |
| group: "style", |
| desc: "the same item is pushed inside of a for loop", |
| deprecation: None, |
| module: "loops", |
| }, |
| Lint { |
| name: "search_is_some", |
| group: "complexity", |
| desc: "using an iterator search followed by `is_some()`, which is more succinctly expressed as a call to `any()`", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "self_assignment", |
| group: "correctness", |
| desc: "explicit self-assignment", |
| deprecation: None, |
| module: "self_assignment", |
| }, |
| Lint { |
| name: "serde_api_misuse", |
| group: "correctness", |
| desc: "various things that will negatively affect your serde experience", |
| deprecation: None, |
| module: "serde_api", |
| }, |
| Lint { |
| name: "shadow_reuse", |
| group: "restriction", |
| desc: "rebinding a name to an expression that re-uses the original value, e.g., `let x = x + 1`", |
| deprecation: None, |
| module: "shadow", |
| }, |
| Lint { |
| name: "shadow_same", |
| group: "restriction", |
| desc: "rebinding a name to itself, e.g., `let mut x = &mut x`", |
| deprecation: None, |
| module: "shadow", |
| }, |
| Lint { |
| name: "shadow_unrelated", |
| group: "pedantic", |
| desc: "rebinding a name without even using the original value", |
| deprecation: None, |
| module: "shadow", |
| }, |
| Lint { |
| name: "short_circuit_statement", |
| group: "complexity", |
| desc: "using a short circuit boolean condition as a statement", |
| deprecation: None, |
| module: "misc", |
| }, |
| Lint { |
| name: "should_implement_trait", |
| group: "style", |
| desc: "defining a method that should be implementing a std trait", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "similar_names", |
| group: "pedantic", |
| desc: "similarly named items and bindings", |
| deprecation: None, |
| module: "non_expressive_names", |
| }, |
| Lint { |
| name: "single_char_pattern", |
| group: "perf", |
| desc: "using a single-character str where a char could be used, e.g., `_.split(\"x\")`", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "single_char_push_str", |
| group: "style", |
| desc: "`push_str()` used with a single-character string literal as parameter", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "single_component_path_imports", |
| group: "style", |
| desc: "imports with single component path are redundant", |
| deprecation: None, |
| module: "single_component_path_imports", |
| }, |
| Lint { |
| name: "single_match", |
| group: "style", |
| desc: "a `match` statement with a single nontrivial arm (i.e., where the other arm is `_ => {}`) instead of `if let`", |
| deprecation: None, |
| module: "matches", |
| }, |
| Lint { |
| name: "single_match_else", |
| group: "pedantic", |
| desc: "a `match` statement with two arms where the second arm\'s pattern is a placeholder instead of a specific match pattern", |
| deprecation: None, |
| module: "matches", |
| }, |
| Lint { |
| name: "skip_while_next", |
| group: "complexity", |
| desc: "using `skip_while(p).next()`, which is more succinctly expressed as `.find(!p)`", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "slow_vector_initialization", |
| group: "perf", |
| desc: "slow vector initialization", |
| deprecation: None, |
| module: "slow_vector_initialization", |
| }, |
| Lint { |
| name: "stable_sort_primitive", |
| group: "perf", |
| desc: "use of sort() when sort_unstable() is equivalent", |
| deprecation: None, |
| module: "stable_sort_primitive", |
| }, |
| Lint { |
| name: "string_add", |
| group: "restriction", |
| desc: "using `x + ..` where x is a `String` instead of `push_str()`", |
| deprecation: None, |
| module: "strings", |
| }, |
| Lint { |
| name: "string_add_assign", |
| group: "pedantic", |
| desc: "using `x = x + ..` where x is a `String` instead of `push_str()`", |
| deprecation: None, |
| module: "strings", |
| }, |
| Lint { |
| name: "string_extend_chars", |
| group: "style", |
| desc: "using `x.extend(s.chars())` where s is a `&str` or `String`", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "string_lit_as_bytes", |
| group: "nursery", |
| desc: "calling `as_bytes` on a string literal instead of using a byte string literal", |
| deprecation: None, |
| module: "strings", |
| }, |
| Lint { |
| name: "struct_excessive_bools", |
| group: "pedantic", |
| desc: "using too many bools in a struct", |
| deprecation: None, |
| module: "excessive_bools", |
| }, |
| Lint { |
| name: "suboptimal_flops", |
| group: "nursery", |
| desc: "usage of sub-optimal floating point operations", |
| deprecation: None, |
| module: "floating_point_arithmetic", |
| }, |
| Lint { |
| name: "suspicious_arithmetic_impl", |
| group: "correctness", |
| desc: "suspicious use of operators in impl of arithmetic trait", |
| deprecation: None, |
| module: "suspicious_trait_impl", |
| }, |
| Lint { |
| name: "suspicious_assignment_formatting", |
| group: "style", |
| desc: "suspicious formatting of `*=`, `-=` or `!=`", |
| deprecation: None, |
| module: "formatting", |
| }, |
| Lint { |
| name: "suspicious_else_formatting", |
| group: "style", |
| desc: "suspicious formatting of `else`", |
| deprecation: None, |
| module: "formatting", |
| }, |
| Lint { |
| name: "suspicious_map", |
| group: "complexity", |
| desc: "suspicious usage of map", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "suspicious_op_assign_impl", |
| group: "correctness", |
| desc: "suspicious use of operators in impl of OpAssign trait", |
| deprecation: None, |
| module: "suspicious_trait_impl", |
| }, |
| Lint { |
| name: "suspicious_unary_op_formatting", |
| group: "style", |
| desc: "suspicious formatting of unary `-` or `!` on the RHS of a BinOp", |
| deprecation: None, |
| module: "formatting", |
| }, |
| Lint { |
| name: "tabs_in_doc_comments", |
| group: "style", |
| desc: "using tabs in doc comments is not recommended", |
| deprecation: None, |
| module: "tabs_in_doc_comments", |
| }, |
| Lint { |
| name: "temporary_assignment", |
| group: "complexity", |
| desc: "assignments to temporaries", |
| deprecation: None, |
| module: "temporary_assignment", |
| }, |
| Lint { |
| name: "temporary_cstring_as_ptr", |
| group: "correctness", |
| desc: "getting the inner pointer of a temporary `CString`", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "to_digit_is_some", |
| group: "style", |
| desc: "`char.is_digit()` is clearer", |
| deprecation: None, |
| module: "to_digit_is_some", |
| }, |
| Lint { |
| name: "to_string_in_display", |
| group: "correctness", |
| desc: "`to_string` method used while implementing `Display` trait", |
| deprecation: None, |
| module: "to_string_in_display", |
| }, |
| Lint { |
| name: "todo", |
| group: "restriction", |
| desc: "`todo!` should not be present in production code", |
| deprecation: None, |
| module: "panic_unimplemented", |
| }, |
| Lint { |
| name: "too_many_arguments", |
| group: "complexity", |
| desc: "functions with too many arguments", |
| deprecation: None, |
| module: "functions", |
| }, |
| Lint { |
| name: "too_many_lines", |
| group: "pedantic", |
| desc: "functions with too many lines", |
| deprecation: None, |
| module: "functions", |
| }, |
| Lint { |
| name: "toplevel_ref_arg", |
| group: "style", |
| desc: "an entire binding declared as `ref`, in a function argument or a `let` statement", |
| deprecation: None, |
| module: "misc", |
| }, |
| Lint { |
| name: "trait_duplication_in_bounds", |
| group: "pedantic", |
| desc: "Check if the same trait bounds are specified twice during a function declaration", |
| deprecation: None, |
| module: "trait_bounds", |
| }, |
| Lint { |
| name: "transmute_bytes_to_str", |
| group: "complexity", |
| desc: "transmutes from a `&[u8]` to a `&str`", |
| deprecation: None, |
| module: "transmute", |
| }, |
| Lint { |
| name: "transmute_float_to_int", |
| group: "complexity", |
| desc: "transmutes from a float to an integer", |
| deprecation: None, |
| module: "transmute", |
| }, |
| Lint { |
| name: "transmute_int_to_bool", |
| group: "complexity", |
| desc: "transmutes from an integer to a `bool`", |
| deprecation: None, |
| module: "transmute", |
| }, |
| Lint { |
| name: "transmute_int_to_char", |
| group: "complexity", |
| desc: "transmutes from an integer to a `char`", |
| deprecation: None, |
| module: "transmute", |
| }, |
| Lint { |
| name: "transmute_int_to_float", |
| group: "complexity", |
| desc: "transmutes from an integer to a float", |
| deprecation: None, |
| module: "transmute", |
| }, |
| Lint { |
| name: "transmute_ptr_to_ptr", |
| group: "complexity", |
| desc: "transmutes from a pointer to a pointer / a reference to a reference", |
| deprecation: None, |
| module: "transmute", |
| }, |
| Lint { |
| name: "transmute_ptr_to_ref", |
| group: "complexity", |
| desc: "transmutes from a pointer to a reference type", |
| deprecation: None, |
| module: "transmute", |
| }, |
| Lint { |
| name: "transmutes_expressible_as_ptr_casts", |
| group: "complexity", |
| desc: "transmutes that could be a pointer cast", |
| deprecation: None, |
| module: "transmute", |
| }, |
| Lint { |
| name: "transmuting_null", |
| group: "correctness", |
| desc: "transmutes from a null pointer to a reference, which is undefined behavior", |
| deprecation: None, |
| module: "transmuting_null", |
| }, |
| Lint { |
| name: "trivial_regex", |
| group: "style", |
| desc: "trivial regular expressions", |
| deprecation: None, |
| module: "regex", |
| }, |
| Lint { |
| name: "trivially_copy_pass_by_ref", |
| group: "pedantic", |
| desc: "functions taking small copyable arguments by reference", |
| deprecation: None, |
| module: "trivially_copy_pass_by_ref", |
| }, |
| Lint { |
| name: "try_err", |
| group: "style", |
| desc: "return errors explicitly rather than hiding them behind a `?`", |
| deprecation: None, |
| module: "try_err", |
| }, |
| Lint { |
| name: "type_complexity", |
| group: "complexity", |
| desc: "usage of very complex types that might be better factored into `type` definitions", |
| deprecation: None, |
| module: "types", |
| }, |
| Lint { |
| name: "type_repetition_in_bounds", |
| group: "pedantic", |
| desc: "Types are repeated unnecessary in trait bounds use `+` instead of using `T: _, T: _`", |
| deprecation: None, |
| module: "trait_bounds", |
| }, |
| Lint { |
| name: "unicode_not_nfc", |
| group: "pedantic", |
| desc: "using a Unicode literal not in NFC normal form (see [Unicode tr15](http://www.unicode.org/reports/tr15/) for further information)", |
| deprecation: None, |
| module: "unicode", |
| }, |
| Lint { |
| name: "unimplemented", |
| group: "restriction", |
| desc: "`unimplemented!` should not be present in production code", |
| deprecation: None, |
| module: "panic_unimplemented", |
| }, |
| Lint { |
| name: "uninit_assumed_init", |
| group: "correctness", |
| desc: "`MaybeUninit::uninit().assume_init()`", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "unit_arg", |
| group: "complexity", |
| desc: "passing unit to a function", |
| deprecation: None, |
| module: "types", |
| }, |
| Lint { |
| name: "unit_cmp", |
| group: "correctness", |
| desc: "comparing unit values", |
| deprecation: None, |
| module: "types", |
| }, |
| Lint { |
| name: "unit_return_expecting_ord", |
| group: "correctness", |
| desc: "fn arguments of type Fn(...) -> Ord returning the unit type ().", |
| deprecation: None, |
| module: "unit_return_expecting_ord", |
| }, |
| Lint { |
| name: "unknown_clippy_lints", |
| group: "style", |
| desc: "unknown_lints for scoped Clippy lints", |
| deprecation: None, |
| module: "attrs", |
| }, |
| Lint { |
| name: "unnecessary_cast", |
| group: "complexity", |
| desc: "cast to the same type, e.g., `x as i32` where `x: i32`", |
| deprecation: None, |
| module: "types", |
| }, |
| Lint { |
| name: "unnecessary_filter_map", |
| group: "complexity", |
| desc: "using `filter_map` when a more succinct alternative exists", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "unnecessary_fold", |
| group: "style", |
| desc: "using `fold` when a more succinct alternative exists", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "unnecessary_lazy_evaluations", |
| group: "style", |
| desc: "using unnecessary lazy evaluation, which can be replaced with simpler eager evaluation", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "unnecessary_mut_passed", |
| group: "style", |
| desc: "an argument passed as a mutable reference although the callee only demands an immutable reference", |
| deprecation: None, |
| module: "mut_reference", |
| }, |
| Lint { |
| name: "unnecessary_operation", |
| group: "complexity", |
| desc: "outer expressions with no effect", |
| deprecation: None, |
| module: "no_effect", |
| }, |
| Lint { |
| name: "unnecessary_sort_by", |
| group: "complexity", |
| desc: "Use of `Vec::sort_by` when `Vec::sort_by_key` or `Vec::sort` would be clearer", |
| deprecation: None, |
| module: "unnecessary_sort_by", |
| }, |
| Lint { |
| name: "unnecessary_unwrap", |
| group: "complexity", |
| desc: "checks for calls of `unwrap[_err]()` that cannot fail", |
| deprecation: None, |
| module: "unwrap", |
| }, |
| Lint { |
| name: "unneeded_field_pattern", |
| group: "restriction", |
| desc: "struct fields bound to a wildcard instead of using `..`", |
| deprecation: None, |
| module: "misc_early", |
| }, |
| Lint { |
| name: "unneeded_wildcard_pattern", |
| group: "complexity", |
| desc: "tuple patterns with a wildcard pattern (`_`) is next to a rest pattern (`..`)", |
| deprecation: None, |
| module: "misc_early", |
| }, |
| Lint { |
| name: "unnested_or_patterns", |
| group: "pedantic", |
| desc: "unnested or-patterns, e.g., `Foo(Bar) | Foo(Baz) instead of `Foo(Bar | Baz)`", |
| deprecation: None, |
| module: "unnested_or_patterns", |
| }, |
| Lint { |
| name: "unreachable", |
| group: "restriction", |
| desc: "`unreachable!` should not be present in production code", |
| deprecation: None, |
| module: "panic_unimplemented", |
| }, |
| Lint { |
| name: "unreadable_literal", |
| group: "pedantic", |
| desc: "long integer literal without underscores", |
| deprecation: None, |
| module: "literal_representation", |
| }, |
| Lint { |
| name: "unsafe_derive_deserialize", |
| group: "pedantic", |
| desc: "deriving `serde::Deserialize` on a type that has methods using `unsafe`", |
| deprecation: None, |
| module: "derive", |
| }, |
| Lint { |
| name: "unsafe_removed_from_name", |
| group: "style", |
| desc: "`unsafe` removed from API names on import", |
| deprecation: None, |
| module: "unsafe_removed_from_name", |
| }, |
| Lint { |
| name: "unseparated_literal_suffix", |
| group: "pedantic", |
| desc: "literals whose suffix is not separated by an underscore", |
| deprecation: None, |
| module: "misc_early", |
| }, |
| Lint { |
| name: "unsound_collection_transmute", |
| group: "correctness", |
| desc: "transmute between collections of layout-incompatible types", |
| deprecation: None, |
| module: "transmute", |
| }, |
| Lint { |
| name: "unused_io_amount", |
| group: "correctness", |
| desc: "unused written/read amount", |
| deprecation: None, |
| module: "unused_io_amount", |
| }, |
| Lint { |
| name: "unused_self", |
| group: "pedantic", |
| desc: "methods that contain a `self` argument but don\'t use it", |
| deprecation: None, |
| module: "unused_self", |
| }, |
| Lint { |
| name: "unused_unit", |
| group: "style", |
| desc: "needless unit expression", |
| deprecation: None, |
| module: "unused_unit", |
| }, |
| Lint { |
| name: "unwrap_in_result", |
| group: "restriction", |
| desc: "functions of type `Result<..>` or `Option`<...> that contain `expect()` or `unwrap()`", |
| deprecation: None, |
| module: "unwrap_in_result", |
| }, |
| Lint { |
| name: "unwrap_used", |
| group: "restriction", |
| desc: "using `.unwrap()` on `Result` or `Option`, which should at least get a better message using `expect()`", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "use_debug", |
| group: "restriction", |
| desc: "use of `Debug`-based formatting", |
| deprecation: None, |
| module: "write", |
| }, |
| Lint { |
| name: "use_self", |
| group: "nursery", |
| desc: "unnecessary structure name repetition whereas `Self` is applicable", |
| deprecation: None, |
| module: "use_self", |
| }, |
| Lint { |
| name: "used_underscore_binding", |
| group: "pedantic", |
| desc: "using a binding which is prefixed with an underscore", |
| deprecation: None, |
| module: "misc", |
| }, |
| Lint { |
| name: "useless_asref", |
| group: "complexity", |
| desc: "using `as_ref` where the types before and after the call are the same", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "useless_attribute", |
| group: "correctness", |
| desc: "use of lint attributes on `extern crate` items", |
| deprecation: None, |
| module: "attrs", |
| }, |
| Lint { |
| name: "useless_conversion", |
| group: "complexity", |
| desc: "calls to `Into`, `TryInto`, `From`, `TryFrom`, `IntoIter` that performs useless conversions to the same type", |
| deprecation: None, |
| module: "useless_conversion", |
| }, |
| Lint { |
| name: "useless_format", |
| group: "complexity", |
| desc: "useless use of `format!`", |
| deprecation: None, |
| module: "format", |
| }, |
| Lint { |
| name: "useless_let_if_seq", |
| group: "nursery", |
| desc: "unidiomatic `let mut` declaration followed by initialization in `if`", |
| deprecation: None, |
| module: "let_if_seq", |
| }, |
| Lint { |
| name: "useless_transmute", |
| group: "nursery", |
| desc: "transmutes that have the same to and from types or could be a cast/coercion", |
| deprecation: None, |
| module: "transmute", |
| }, |
| Lint { |
| name: "useless_vec", |
| group: "perf", |
| desc: "useless `vec!`", |
| deprecation: None, |
| module: "vec", |
| }, |
| Lint { |
| name: "vec_box", |
| group: "complexity", |
| desc: "usage of `Vec<Box<T>>` where T: Sized, vector elements are already on the heap", |
| deprecation: None, |
| module: "types", |
| }, |
| Lint { |
| name: "vec_resize_to_zero", |
| group: "correctness", |
| desc: "emptying a vector with `resize(0, an_int)` instead of `clear()` is probably an argument inversion mistake", |
| deprecation: None, |
| module: "vec_resize_to_zero", |
| }, |
| Lint { |
| name: "verbose_bit_mask", |
| group: "pedantic", |
| desc: "expressions where a bit mask is less readable than the corresponding method call", |
| deprecation: None, |
| module: "bit_mask", |
| }, |
| Lint { |
| name: "verbose_file_reads", |
| group: "restriction", |
| desc: "use of `File::read_to_end` or `File::read_to_string`", |
| deprecation: None, |
| module: "verbose_file_reads", |
| }, |
| Lint { |
| name: "vtable_address_comparisons", |
| group: "correctness", |
| desc: "comparison with an address of a trait vtable", |
| deprecation: None, |
| module: "unnamed_address", |
| }, |
| Lint { |
| name: "while_immutable_condition", |
| group: "correctness", |
| desc: "variables used within while expression are not mutated in the body", |
| deprecation: None, |
| module: "loops", |
| }, |
| Lint { |
| name: "while_let_loop", |
| group: "complexity", |
| desc: "`loop { if let { ... } else break }`, which can be written as a `while let` loop", |
| deprecation: None, |
| module: "loops", |
| }, |
| Lint { |
| name: "while_let_on_iterator", |
| group: "style", |
| desc: "using a while-let loop instead of a for loop on an iterator", |
| deprecation: None, |
| module: "loops", |
| }, |
| Lint { |
| name: "wildcard_dependencies", |
| group: "cargo", |
| desc: "wildcard dependencies being used", |
| deprecation: None, |
| module: "wildcard_dependencies", |
| }, |
| Lint { |
| name: "wildcard_enum_match_arm", |
| group: "restriction", |
| desc: "a wildcard enum match arm using `_`", |
| deprecation: None, |
| module: "matches", |
| }, |
| Lint { |
| name: "wildcard_imports", |
| group: "pedantic", |
| desc: "lint `use _::*` statements", |
| deprecation: None, |
| module: "wildcard_imports", |
| }, |
| Lint { |
| name: "wildcard_in_or_patterns", |
| group: "complexity", |
| desc: "a wildcard pattern used with others patterns in same match arm", |
| deprecation: None, |
| module: "matches", |
| }, |
| Lint { |
| name: "write_literal", |
| group: "style", |
| desc: "writing a literal with a format string", |
| deprecation: None, |
| module: "write", |
| }, |
| Lint { |
| name: "write_with_newline", |
| group: "style", |
| desc: "using `write!()` with a format string that ends in a single newline", |
| deprecation: None, |
| module: "write", |
| }, |
| Lint { |
| name: "writeln_empty_string", |
| group: "style", |
| desc: "using `writeln!(buf, \"\")` with an empty string", |
| deprecation: None, |
| module: "write", |
| }, |
| Lint { |
| name: "wrong_pub_self_convention", |
| group: "restriction", |
| desc: "defining a public method named with an established prefix (like \"into_\") that takes `self` with the wrong convention", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "wrong_self_convention", |
| group: "style", |
| desc: "defining a method named with an established prefix (like \"into_\") that takes `self` with the wrong convention", |
| deprecation: None, |
| module: "methods", |
| }, |
| Lint { |
| name: "wrong_transmute", |
| group: "correctness", |
| desc: "transmutes that are confusing at best, undefined behaviour at worst and always useless", |
| deprecation: None, |
| module: "transmute", |
| }, |
| Lint { |
| name: "zero_divided_by_zero", |
| group: "complexity", |
| desc: "usage of `0.0 / 0.0` to obtain NaN instead of `f32::NAN` or `f64::NAN`", |
| deprecation: None, |
| module: "zero_div_zero", |
| }, |
| Lint { |
| name: "zero_prefixed_literal", |
| group: "complexity", |
| desc: "integer literals starting with `0`", |
| deprecation: None, |
| module: "misc_early", |
| }, |
| Lint { |
| name: "zero_ptr", |
| group: "style", |
| desc: "using `0 as *{const, mut} T`", |
| deprecation: None, |
| module: "misc", |
| }, |
| Lint { |
| name: "zst_offset", |
| group: "correctness", |
| desc: "Check for offset calculations on raw pointers to zero-sized types", |
| deprecation: None, |
| module: "methods", |
| }, |
| ]; |
| // end lint list, do not remove this comment, it’s used in `update_lints` |
| } |
