| error: no rules expected the token `let` |
| --> $DIR/feature-gate.rs:64:15 |
| | |
| LL | macro_rules! use_expr { |
| | --------------------- when calling this macro |
| ... |
| LL | use_expr!(let 0 = 1); |
| | ^^^ no rules expected this token in macro call |
| |
| error[E0658]: `if let` guards are experimental |
| --> $DIR/feature-gate.rs:7:12 |
| | |
| LL | () if let 0 = 1 => {} |
| | ^^^^^^^^^^^^ |
| | |
| = note: see issue #51114 <https://github.com/rust-lang/rust/issues/51114> for more information |
| = help: add `#![feature(if_let_guard)]` to the crate attributes to enable |
| = help: you can write `if matches!(<expr>, <pattern>)` instead of `if let <pattern> = <expr>` |
| |
| error[E0658]: `if let` guards are experimental |
| --> $DIR/feature-gate.rs:60:12 |
| | |
| LL | () if let 0 = 1 => {} |
| | ^^^^^^^^^^^^ |
| | |
| = note: see issue #51114 <https://github.com/rust-lang/rust/issues/51114> for more information |
| = help: add `#![feature(if_let_guard)]` to the crate attributes to enable |
| = help: you can write `if matches!(<expr>, <pattern>)` instead of `if let <pattern> = <expr>` |
| |
| error[E0658]: `let` expressions in this position are experimental |
| --> $DIR/feature-gate.rs:10:16 |
| | |
| LL | () if (let 0 = 1) => {} |
| | ^^^^^^^^^ |
| | |
| = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information |
| = help: add `#![feature(let_chains)]` to the crate attributes to enable |
| = help: you can write `matches!(<expr>, <pattern>)` instead of `let <pattern> = <expr>` |
| |
| error[E0658]: `let` expressions in this position are experimental |
| --> $DIR/feature-gate.rs:13:18 |
| | |
| LL | () if (((let 0 = 1))) => {} |
| | ^^^^^^^^^ |
| | |
| = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information |
| = help: add `#![feature(let_chains)]` to the crate attributes to enable |
| = help: you can write `matches!(<expr>, <pattern>)` instead of `let <pattern> = <expr>` |
| |
| error[E0658]: `let` expressions in this position are experimental |
| --> $DIR/feature-gate.rs:16:23 |
| | |
| LL | () if true && let 0 = 1 => {} |
| | ^^^^^^^^^ |
| | |
| = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information |
| = help: add `#![feature(let_chains)]` to the crate attributes to enable |
| = help: you can write `matches!(<expr>, <pattern>)` instead of `let <pattern> = <expr>` |
| |
| error[E0658]: `let` expressions in this position are experimental |
| --> $DIR/feature-gate.rs:19:15 |
| | |
| LL | () if let 0 = 1 && true => {} |
| | ^^^^^^^^^ |
| | |
| = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information |
| = help: add `#![feature(let_chains)]` to the crate attributes to enable |
| = help: you can write `matches!(<expr>, <pattern>)` instead of `let <pattern> = <expr>` |
| |
| error[E0658]: `let` expressions in this position are experimental |
| --> $DIR/feature-gate.rs:22:16 |
| | |
| LL | () if (let 0 = 1) && true => {} |
| | ^^^^^^^^^ |
| | |
| = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information |
| = help: add `#![feature(let_chains)]` to the crate attributes to enable |
| = help: you can write `matches!(<expr>, <pattern>)` instead of `let <pattern> = <expr>` |
| |
| error[E0658]: `let` expressions in this position are experimental |
| --> $DIR/feature-gate.rs:25:24 |
| | |
| LL | () if true && (let 0 = 1) => {} |
| | ^^^^^^^^^ |
| | |
| = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information |
| = help: add `#![feature(let_chains)]` to the crate attributes to enable |
| = help: you can write `matches!(<expr>, <pattern>)` instead of `let <pattern> = <expr>` |
| |
| error[E0658]: `let` expressions in this position are experimental |
| --> $DIR/feature-gate.rs:28:16 |
| | |
| LL | () if (let 0 = 1) && (let 0 = 1) => {} |
| | ^^^^^^^^^ |
| | |
| = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information |
| = help: add `#![feature(let_chains)]` to the crate attributes to enable |
| = help: you can write `matches!(<expr>, <pattern>)` instead of `let <pattern> = <expr>` |
| |
| error[E0658]: `let` expressions in this position are experimental |
| --> $DIR/feature-gate.rs:28:31 |
| | |
| LL | () if (let 0 = 1) && (let 0 = 1) => {} |
| | ^^^^^^^^^ |
| | |
| = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information |
| = help: add `#![feature(let_chains)]` to the crate attributes to enable |
| = help: you can write `matches!(<expr>, <pattern>)` instead of `let <pattern> = <expr>` |
| |
| error[E0658]: `let` expressions in this position are experimental |
| --> $DIR/feature-gate.rs:32:15 |
| | |
| LL | () if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) => {} |
| | ^^^^^^^^^ |
| | |
| = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information |
| = help: add `#![feature(let_chains)]` to the crate attributes to enable |
| = help: you can write `matches!(<expr>, <pattern>)` instead of `let <pattern> = <expr>` |
| |
| error[E0658]: `let` expressions in this position are experimental |
| --> $DIR/feature-gate.rs:32:28 |
| | |
| LL | () if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) => {} |
| | ^^^^^^^^^ |
| | |
| = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information |
| = help: add `#![feature(let_chains)]` to the crate attributes to enable |
| = help: you can write `matches!(<expr>, <pattern>)` instead of `let <pattern> = <expr>` |
| |
| error[E0658]: `let` expressions in this position are experimental |
| --> $DIR/feature-gate.rs:32:42 |
| | |
| LL | () if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) => {} |
| | ^^^^^^^^^ |
| | |
| = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information |
| = help: add `#![feature(let_chains)]` to the crate attributes to enable |
| = help: you can write `matches!(<expr>, <pattern>)` instead of `let <pattern> = <expr>` |
| |
| error[E0658]: `let` expressions in this position are experimental |
| --> $DIR/feature-gate.rs:32:55 |
| | |
| LL | () if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) => {} |
| | ^^^^^^^^^ |
| | |
| = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information |
| = help: add `#![feature(let_chains)]` to the crate attributes to enable |
| = help: you can write `matches!(<expr>, <pattern>)` instead of `let <pattern> = <expr>` |
| |
| error[E0658]: `let` expressions in this position are experimental |
| --> $DIR/feature-gate.rs:32:68 |
| | |
| LL | () if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) => {} |
| | ^^^^^^^^^ |
| | |
| = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information |
| = help: add `#![feature(let_chains)]` to the crate attributes to enable |
| = help: you can write `matches!(<expr>, <pattern>)` instead of `let <pattern> = <expr>` |
| |
| error[E0658]: `let` expressions in this position are experimental |
| --> $DIR/feature-gate.rs:39:15 |
| | |
| LL | () if let Range { start: _, end: _ } = (true..true) && false => {} |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| | |
| = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information |
| = help: add `#![feature(let_chains)]` to the crate attributes to enable |
| = help: you can write `matches!(<expr>, <pattern>)` instead of `let <pattern> = <expr>` |
| |
| error[E0658]: `let` expressions in this position are experimental |
| --> $DIR/feature-gate.rs:54:16 |
| | |
| LL | use_expr!((let 0 = 1 && 0 == 0)); |
| | ^^^^^^^^^ |
| | |
| = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information |
| = help: add `#![feature(let_chains)]` to the crate attributes to enable |
| = help: you can write `matches!(<expr>, <pattern>)` instead of `let <pattern> = <expr>` |
| |
| error[E0658]: `let` expressions in this position are experimental |
| --> $DIR/feature-gate.rs:56:16 |
| | |
| LL | use_expr!((let 0 = 1)); |
| | ^^^^^^^^^ |
| | |
| = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information |
| = help: add `#![feature(let_chains)]` to the crate attributes to enable |
| = help: you can write `matches!(<expr>, <pattern>)` instead of `let <pattern> = <expr>` |
| |
| error: aborting due to 19 previous errors |
| |
| For more information about this error, try `rustc --explain E0658`. |