41 lines
1020 B
Rust
41 lines
1020 B
Rust
// compile-pass
|
|
|
|
// 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(clippy::unused_unit)]
|
|
#![allow(clippy::needless_return)]
|
|
|
|
struct Unitter;
|
|
impl Unitter {
|
|
// try to disorient the lint with multiple unit returns and newlines
|
|
pub fn get_unit<F: Fn() -> (), G>(&self, f: F, _g: G) ->
|
|
()
|
|
where G: Fn() -> () {
|
|
let _y: &Fn() -> () = &f;
|
|
(); // this should not lint, as it's not in return type position
|
|
}
|
|
}
|
|
|
|
impl Into<()> for Unitter {
|
|
#[rustfmt::skip]
|
|
fn into(self) -> () {
|
|
()
|
|
}
|
|
}
|
|
|
|
fn return_unit() -> () { () }
|
|
|
|
fn main() {
|
|
let u = Unitter;
|
|
assert_eq!(u.get_unit(|| {}, return_unit), u.into());
|
|
return_unit();
|
|
loop {
|
|
break();
|
|
}
|
|
return();
|
|
}
|