30 lines
614 B
Rust
30 lines
614 B
Rust
//@ compile-flags: -Znext-solver
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#![feature(const_trait_impl)]
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#[const_trait] trait Foo {
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type Assoc<T>: ~const Bar
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where
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T: ~const Bar;
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}
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#[const_trait] trait Bar {}
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struct N<T>(T);
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impl<T> Bar for N<T> where T: Bar {}
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struct C<T>(T);
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impl<T> const Bar for C<T> where T: ~const Bar {}
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impl const Foo for u32 {
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type Assoc<T> = N<T>
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//~^ ERROR the trait bound `N<T>: ~const Bar` is not satisfied
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where
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T: ~const Bar;
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}
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impl const Foo for i32 {
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type Assoc<T> = C<T>
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//~^ ERROR the trait bound `T: ~const Bar` is not satisfied
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where
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T: Bar;
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}
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fn main() {}
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