rust/tests/ui/pattern/usefulness/issue-31221.rs
2023-01-11 09:32:08 +00:00

35 lines
614 B
Rust

#![allow(dead_code)]
#![allow(unused_variables)]
#![allow(non_snake_case)]
#![deny(unreachable_patterns)]
#[derive(Clone, Copy)]
enum Enum {
Var1,
Var2,
}
fn main() {
use Enum::*;
let s = Var1;
match s {
Var1 => (),
Var3 => (),
Var2 => (),
//~^ ERROR unreachable pattern
};
match &s {
&Var1 => (),
&Var3 => (),
&Var2 => (),
//~^ ERROR unreachable pattern
};
let t = (Var1, Var1);
match t {
(Var1, b) => (),
(c, d) => (),
anything => ()
//~^ ERROR unreachable pattern
};
}