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21 lines
377 B
Rust
21 lines
377 B
Rust
// run-pass
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#![feature(generic_const_exprs)]
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#![allow(incomplete_features)]
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trait Foo {}
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impl<const N: usize> Foo for [(); N] where Self: FooImpl<{ N == 0 }> {}
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trait FooImpl<const IS_ZERO: bool> {}
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impl FooImpl<{ 0u8 == 0u8 }> for [(); 0] {}
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impl<const N: usize> FooImpl<{ 0u8 != 0u8 }> for [(); N] {}
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fn foo<T: Foo>(_v: T) {}
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fn main() {
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foo([]);
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foo([()]);
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}
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