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15 lines
230 B
Rust
15 lines
230 B
Rust
#[derive(Clone)]
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union U {
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a: u8
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}
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#[derive(Clone)]
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union W {
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a: std::mem::ManuallyDrop<String>
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}
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impl Copy for U {} // OK
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impl Copy for W {} //~ ERROR the trait `Copy` may not be implemented for this type
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fn main() {}
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