| warning: unnecessary parentheses around `return` value |
| --> $DIR/path-lookahead.rs:18:10 |
| | |
| LL | return (<T as ToString>::to_string(&arg)); //~WARN unnecessary parentheses around `return` value |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses |
| | |
| note: lint level defined here |
| --> $DIR/path-lookahead.rs:13:9 |
| | |
| LL | #![warn(unused)] |
| | ^^^^^^ |
| = note: #[warn(unused_parens)] implied by #[warn(unused)] |
| |
| warning: function is never used: `with_parens` |
| --> $DIR/path-lookahead.rs:17:1 |
| | |
| LL | fn with_parens<T: ToString>(arg: T) -> String { //~WARN function is never used: `with_parens` |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| | |
| note: lint level defined here |
| --> $DIR/path-lookahead.rs:13:9 |
| | |
| LL | #![warn(unused)] |
| | ^^^^^^ |
| = note: #[warn(dead_code)] implied by #[warn(unused)] |
| |
| warning: function is never used: `no_parens` |
| --> $DIR/path-lookahead.rs:21:1 |
| | |
| LL | fn no_parens<T: ToString>(arg: T) -> String { //~WARN function is never used: `no_parens` |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| |
