35 lines
839 B
Rust
35 lines
839 B
Rust
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#![feature(generic_const_items)]
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#![allow(incomplete_features)]
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// Ensure that we check if bounds on const items hold or not.
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use std::convert::Infallible;
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const C<T: Copy>: () = ();
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const K<T>: () = ()
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where
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Infallible: From<T>;
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trait Trait<P> {
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const A: u32
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where
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P: Copy;
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const B<T>: u32
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where
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Infallible: From<T>;
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}
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impl<P> Trait<P> for () {
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const A: u32 = 0;
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const B<T>: u32 = 1;
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}
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fn main() {
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let () = C::<String>; //~ ERROR the trait bound `String: Copy` is not satisfied
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let () = K::<()>; //~ ERROR the trait bound `Infallible: From<()>` is not satisfied
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let _ = <() as Trait<Vec<u8>>>::A; //~ ERROR the trait bound `Vec<u8>: Copy` is not satisfied
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let _ = <() as Trait<&'static str>>::B::<()>; //~ ERROR the trait bound `Infallible: From<()>` is not satisfied
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}
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