22 lines
405 B
Rust
22 lines
405 B
Rust
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// compile-flags: -Ztrait-solver=next
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// revisions: pass fail
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//[pass] check-pass
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struct Wrapper<T, const N: usize>([T; N]);
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trait Foo {}
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fn needs_foo<F: Foo>() {}
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#[cfg(fail)]
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impl<T> Foo for [T; 1] {}
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#[cfg(pass)]
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impl<T, const N: usize> Foo for [T; N] {}
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fn test<T, const N: usize>() {
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needs_foo::<[T; N]>();
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//[fail]~^ ERROR the trait bound `[T; N]: Foo` is not satisfied
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}
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fn main() {}
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