rust/tests/ui/repeat-expr/infer.rs
2023-01-11 09:32:08 +00:00

17 lines
321 B
Rust

// check-pass
#[derive(Clone, Default)]
struct MaybeCopy<T>(T);
impl Copy for MaybeCopy<u8> {}
fn is_copy<T: Copy>(x: T) {
println!("{}", std::any::type_name::<T>());
}
fn main() {
is_copy(MaybeCopy::default());
[MaybeCopy::default(); 13];
// didn't work, because `Copy` was only checked in the mir
}