21 lines
396 B
Rust
21 lines
396 B
Rust
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#![feature(untagged_unions)]
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#[derive(Eq)] // OK
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union U1 {
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a: u8,
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}
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impl PartialEq for U1 { fn eq(&self, rhs: &Self) -> bool { true } }
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#[derive(PartialEq)]
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struct PartialEqNotEq;
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#[derive(Eq)]
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union U2 {
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a: PartialEqNotEq, //~ ERROR the trait bound `PartialEqNotEq: std::cmp::Eq` is not satisfied
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}
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impl PartialEq for U2 { fn eq(&self, rhs: &Self) -> bool { true } }
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fn main() {}
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