2 #![cfg_attr(full, feature(const_generics))]
3 #![cfg_attr(full, allow(incomplete_features))]
4 #![cfg_attr(min, feature(min_const_generics))]
6 // tests the diagnostic output of type mismatches for types that have const generics arguments.
8 use std::marker::PhantomData;
10 struct A<'a, T, const X: u32, const Y: u32> {
11 data: PhantomData<&'a T>
15 let _: A<'a, u32, {2u32}, {3u32}> = A::<'a, u32, {4u32}, {3u32}> { data: PhantomData };
16 //~^ ERROR mismatched types
17 let _: A<'a, u16, {2u32}, {3u32}> = A::<'b, u32, {2u32}, {3u32}> { data: PhantomData };
18 //~^ ERROR mismatched types