rust/tests/ui/lint/unused_parens_json_suggesti...

28 lines
741 B
Rust

//@ compile-flags: --error-format json
//@ error-pattern:unnecessary parentheses
//@ run-rustfix
// The output for humans should just highlight the whole span without showing
// the suggested replacement, but we also want to test that suggested
// replacement only removes one set of parentheses, rather than naïvely
// stripping away any starting or ending parenthesis characters—hence this
// test of the JSON error format.
#![deny(unused_parens)]
#![allow(unreachable_code)]
fn main() {
// We want to suggest the properly-balanced expression `1 / (2 + 3)`, not
// the malformed `1 / (2 + 3`
let _a = (1 / (2 + 3));
f();
}
fn f() -> bool {
loop {
if (break { return true }) {
}
}
false
}