mirror of https://github.com/rust-lang/rust
17 lines
322 B
Rust
17 lines
322 B
Rust
//@ check-pass
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#[derive(Clone, Default)]
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struct MaybeCopy<T>(T);
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impl Copy for MaybeCopy<u8> {}
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fn is_copy<T: Copy>(x: T) {
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println!("{}", std::any::type_name::<T>());
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}
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fn main() {
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is_copy(MaybeCopy::default());
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[MaybeCopy::default(); 13];
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// didn't work, because `Copy` was only checked in the mir
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}
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