rust/tests/ui/rfc-2294-if-let-guard/warns.rs

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#![feature(if_let_guard)]
#[deny(irrefutable_let_patterns)]
fn irrefutable_let_guard() {
match Some(()) {
Some(x) if let () = x => {}
//~^ ERROR irrefutable `if let` guard
_ => {}
}
}
#[deny(unreachable_patterns)]
fn unreachable_pattern() {
match Some(()) {
x if let None | None = x => {}
//~^ ERROR unreachable pattern
_ => {}
}
}
fn main() {}