rust/tests/ui/const-generics/defaults/doesnt_infer.rs

17 lines
342 B
Rust

// test that defaulted const params are not used to help type inference
struct Foo<const N: u32 = 2>;
impl<const N: u32> Foo<N> {
fn foo() -> Self {
loop {}
}
}
fn main() {
let foo = Foo::<1>::foo();
let foo = Foo::foo();
//~^ ERROR type annotations needed for `Foo<_>`
//~| ERROR type annotations needed
}