mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-26 16:54:01 +00:00
28 lines
693 B
Rust
28 lines
693 B
Rust
//@ check-pass
|
|
|
|
#![allow(unused_variables)]
|
|
#![feature(generic_arg_infer)]
|
|
|
|
struct Zeroes;
|
|
impl Into<&'static [usize; 3]> for Zeroes {
|
|
fn into(self) -> &'static [usize; 3] {
|
|
&[0; 3]
|
|
}
|
|
}
|
|
impl Into<[usize; 3]> for Zeroes {
|
|
fn into(self) -> [usize; 3] {
|
|
[0; 3]
|
|
}
|
|
}
|
|
fn main() {
|
|
let [a, b, c] = Zeroes.into();
|
|
let [d, e, f] = <Zeroes as Into<&'static [usize; 3]>>::into(Zeroes);
|
|
let &[g, h, i] = Zeroes.into();
|
|
let [j, k, l]: [usize; _] = Zeroes.into();
|
|
let [m, n, o]: &[usize; _] = Zeroes.into();
|
|
|
|
// check the binding mode of these patterns:
|
|
let _: &[usize] = &[a, b, c, g, h, i, j, k, l];
|
|
let _: &[&usize] = &[d, e, f, m, n, o];
|
|
}
|