1 // compile-flags: --error-format json -Zunstable-options
4 // The output for humans should just highlight the whole span without showing
5 // the suggested replacement, but we also want to test that suggested
6 // replacement only removes one set of parentheses, rather than naïvely
7 // stripping away any starting or ending parenthesis characters—hence this
8 // test of the JSON error format.
10 #![deny(unused_parens)]
11 #![allow(unreachable_code)]
17 if (_b) { //~ ERROR unnecessary parentheses
28 if(c) { //~ ERROR unnecessary parentheses
32 if (c){ //~ ERROR unnecessary parentheses
36 while (false && true){
37 if (c) { //~ ERROR unnecessary parentheses
43 while(true && false) { //~ ERROR unnecessary parentheses
44 for _ in (0 .. 3){ //~ ERROR unnecessary parentheses
49 for _ in (0 .. 3) { //~ ERROR unnecessary parentheses
50 while (true && false) { //~ ERROR unnecessary parentheses
57 if (break { return true }) {