17 lines
270 B
Rust
17 lines
270 B
Rust
#![deny(unreachable_patterns)]
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#[derive(PartialEq)]
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struct Opaque(i32);
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impl Eq for Opaque {}
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const FOO: Opaque = Opaque(42);
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fn main() {
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match FOO {
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FOO => {},
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//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
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_ => {}
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}
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}
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