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//@ compile-flags: --error-format json
//@ 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, unused_braces)]
fn main() {
let _b = false;
if _b {
//~^ ERROR unnecessary parentheses around `if` condition
println!("hello");
}
f();
}
fn f() -> bool {
let c = false;
if c {
//~^ ERROR unnecessary parentheses around `if` condition
println!("next");
}
if c {
//~^ ERROR unnecessary parentheses around `if` condition
println!("prev");
}
while false && true {
//~^ ERROR unnecessary parentheses around `while` condition
if c {
//~^ ERROR unnecessary parentheses around `if` condition
println!("norm");
}
}
while true && false {
//~^ ERROR unnecessary parentheses around `while` condition
for _ in 0 .. 3 {
//~^ ERROR unnecessary parentheses around `for` iterator expression
println!("e~")
}
}
for _ in 0 .. 3 {
//~^ ERROR unnecessary parentheses around `for` iterator expression
while true && false {
//~^ ERROR unnecessary parentheses around `while` condition
println!("e~")
}
}
loop {
if (break { return true }) {
}
}
false
}
|
