rust/tests/ui/const-generics/unused_braces.rs

19 lines
286 B
Rust

//@ check-pass
//@ run-rustfix
#![warn(unused_braces)]
macro_rules! make_1 {
() => {
1
}
}
struct A<const N: usize>;
fn main() {
let _: A<7>; // ok
let _: A<{ 7 }>; //~ WARN unnecessary braces
let _: A<{ 3 + 5 }>; // ok
let _: A<{make_1!()}>; // ok
}