48 lines
820 B
Rust
48 lines
820 B
Rust
//@ check-fail
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//
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// regression test for #68295
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struct Matrix<R, C, S>(R, C, S);
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impl<R, C, S> Matrix<R, C, S> {
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fn into_owned(self) -> Matrix<R, C, Owned<R, C, ()>>
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where
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(): Allocator<R, C>,
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{
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unimplemented!()
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}
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}
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impl<D, S> Matrix<D, D, S> {
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fn hermitian_part(&self) -> Matrix<D, D, Owned<D, D, ()>>
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where
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(): Allocator<D, D>,
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{
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unimplemented!()
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}
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}
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trait Allocator<R, C> {
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type Buffer;
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}
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trait Trait<R, C, A> {
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type Power;
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}
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impl<R, C, A: Allocator<R, C>> Trait<R, C, A> for () {
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type Power = A::Buffer;
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}
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type Owned<R, C, G> = <G as Trait<R, C, ()>>::Power;
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fn crash<R, C>(input: Matrix<R, C, ()>) -> Matrix<R, C, u32>
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where
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(): Allocator<R, C>,
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{
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input.into_owned()
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//~^ ERROR mismatched types [E0308]
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}
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fn main() {}
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