mirror of https://github.com/rust-lang/rust
17 lines
379 B
Rust
17 lines
379 B
Rust
#![deny(unreachable_patterns)]
|
|
|
|
// The arity of `ref x` is always 1. If the pattern is compared to some non-structural type whose
|
|
// arity is always 0, an ICE occurs.
|
|
//
|
|
// Related issue: #23009
|
|
|
|
fn main() {
|
|
let homura = [1, 2, 3];
|
|
|
|
match homura {
|
|
[1, ref _madoka, 3] => (),
|
|
[1, 2, 3] => (), //~ ERROR unreachable pattern
|
|
[_, _, _] => (),
|
|
}
|
|
}
|