1 warning: unnecessary parentheses around pattern
2 --> $DIR/issue-54538-unused-parens-lint.rs:19:9
4 LL | (_) => {} //~ WARNING: unnecessary parentheses around pattern
5 | ^^^ help: remove these parentheses
7 note: lint level defined here
8 --> $DIR/issue-54538-unused-parens-lint.rs:15:9
10 LL | #![warn(unused_parens)]
13 warning: unnecessary parentheses around pattern
14 --> $DIR/issue-54538-unused-parens-lint.rs:20:9
16 LL | (y) => {} //~ WARNING: unnecessary parentheses around pattern
17 | ^^^ help: remove these parentheses
19 warning: unnecessary parentheses around pattern
20 --> $DIR/issue-54538-unused-parens-lint.rs:21:9
22 LL | (ref r) => {} //~ WARNING: unnecessary parentheses around pattern
23 | ^^^^^^^ help: remove these parentheses
25 warning: unnecessary parentheses around pattern
26 --> $DIR/issue-54538-unused-parens-lint.rs:22:9
28 LL | (e @ 1..=2) => {} //~ WARNING: unnecessary parentheses around outer pattern
29 | ^^^^^^^^^^^ help: remove these parentheses
31 warning: unnecessary parentheses around pattern
32 --> $DIR/issue-54538-unused-parens-lint.rs:28:9
34 LL | (e @ &(1...2)) => {} //~ WARNING: unnecessary parentheses around outer pattern
35 | ^^^^^^^^^^^^^^ help: remove these parentheses
37 warning: unnecessary parentheses around pattern
38 --> $DIR/issue-54538-unused-parens-lint.rs:29:10
40 LL | &(_) => {} //~ WARNING: unnecessary parentheses around pattern
41 | ^^^ help: remove these parentheses