1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
//@ check-pass
//@ compile-flags: --edition 2018
//@ run-rustfix
#![feature(try_blocks)]
#![warn(unused_parens, unused_braces)]
fn consume<T>(_: Result<T, T>) -> T { todo!() }
fn main() {
consume(try {});
//~^ WARN unnecessary parentheses
consume(try {});
//~^ WARN unnecessary braces
match try {} {
//~^ WARN unnecessary parentheses
Ok(()) | Err(()) => (),
}
if let Err(()) = try {} {}
//~^ WARN unnecessary parentheses
match try {} {
//~^ WARN unnecessary parentheses
Ok(()) | Err(()) => (),
}
}
|
