1 #![deny(unused_parens)]
3 #[derive(Eq, PartialEq)]
6 fn foo(&self, conjunct: bool) -> bool { self.y && conjunct }
10 return (1); //~ ERROR unnecessary parentheses around `return` value
12 fn bar(y: bool) -> X {
13 return (X { y }); //~ ERROR unnecessary parentheses around `return` value
16 fn unused_parens_around_return_type() -> (u32) { //~ ERROR unnecessary parentheses around type
20 fn unused_parens_around_block_return() -> u32 {
22 (5) //~ ERROR unnecessary parentheses around block return value
24 (5) //~ ERROR unnecessary parentheses around block return value
31 fn passes_unused_parens_lint() -> &'static (dyn Trait) {
41 const CONST_ITEM: usize = (10); //~ ERROR unnecessary parentheses around assigned value
42 static STATIC_ITEM: usize = (10); //~ ERROR unnecessary parentheses around assigned value
46 bar((true)); //~ ERROR unnecessary parentheses around function argument
48 if (true) {} //~ ERROR unnecessary parentheses around `if` condition
49 while (true) {} //~ ERROR unnecessary parentheses around `while` condition
50 //~^ WARN denote infinite loops with
51 match (true) { //~ ERROR unnecessary parentheses around `match` head expression
54 if let 1 = (1) {} //~ ERROR unnecessary parentheses around `let` head expression
55 while let 1 = (2) {} //~ ERROR unnecessary parentheses around `let` head expression
56 let v = X { y: false };
57 // struct lits needs parens, so these shouldn't warn.
58 if (v == X { y: true }) {}
59 if (X { y: true } == v) {}
60 if (X { y: false }.y) {}
62 while (X { y: false }.foo(true)) {}
63 while (true | X { y: false }.y) {}
65 match (X { y: false }) {
69 X { y: false }.foo((true)); //~ ERROR unnecessary parentheses around method argument
71 let mut _a = (0); //~ ERROR unnecessary parentheses around assigned value
72 _a = (0); //~ ERROR unnecessary parentheses around assigned value
73 _a += (1); //~ ERROR unnecessary parentheses around assigned value