rust/tests/ui/consts/references.rs

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//@ run-pass
const FOO: &[u8] = b"foo";
const BAR: &[u8] = &[1, 2, 3];
const BOO: &i32 = &42;
fn main() {
match &[1u8, 2, 3] as &[u8] {
FOO => panic!("a"),
BAR => println!("b"),
_ => panic!("c"),
}
match b"foo" as &[u8] {
FOO => println!("a"),
BAR => panic!("b"),
_ => panic!("c"),
}
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#[allow(unreachable_patterns)]
match &43 {
&42 => panic!(),
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BOO => panic!(),
_ => println!("d"),
}
}