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//! Test matches with a mix of ADT constructors and deref patterns. Currently, usefulness analysis
//! doesn't support this, so make sure we catch it beforehand. As a consequence, it takes priority
//! over non-exhaustive match and unreachable pattern errors.
#![feature(deref_patterns)]
#![expect(incomplete_features)]
#![deny(unreachable_patterns)]
use std::borrow::Cow;
fn main() {
let cow: Cow<'static, bool> = Cow::Borrowed(&false);
match cow {
true => {}
//~v ERROR mix of deref patterns and normal constructors
false => {}
Cow::Borrowed(_) => {}
}
match cow {
Cow::Owned(_) => {}
Cow::Borrowed(_) => {}
true => {}
//~^ ERROR mix of deref patterns and normal constructors
}
match cow {
_ => {}
Cow::Owned(_) => {}
false => {}
//~^ ERROR mix of deref patterns and normal constructors
}
match (cow, 0) {
(Cow::Owned(_), 0) => {}
(Cow::Borrowed(_), 0) => {}
(true, 0) => {}
//~^ ERROR mix of deref patterns and normal constructors
}
match (0, cow) {
(0, Cow::Owned(_)) => {}
(0, Cow::Borrowed(_)) => {}
_ => {}
(1, true) => {}
//~^ ERROR mix of deref patterns and normal constructors
}
}
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