23 lines
414 B
Rust
23 lines
414 B
Rust
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// compile-flags: -Ztrait-solver=next
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// revisions: works fails
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//[works] check-pass
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trait Trait<const N: usize> {}
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impl Trait<{ 1 - 1 }> for () {}
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impl Trait<{ 1 + 1 }> for () {}
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fn needs<const N: usize>() where (): Trait<N> {}
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#[cfg(works)]
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fn main() {
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needs::<0>();
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needs::<2>();
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}
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#[cfg(fails)]
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fn main() {
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needs::<1>();
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//[fails]~^ ERROR the trait bound `(): Trait<1>` is not satisfied
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}
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