rust/tests/ui/associated-consts/assoc-const-eq-ambiguity.rs
León Orell Valerian Liehr 55559d93e7
Resolve assoc item bindings by namespace
If a const is expected, resolve a const.
If a type is expected, resolve a type.
Don't try to resolve a type first falling back to consts.
2023-12-07 22:33:56 +01:00

20 lines
579 B
Rust

// We used to say "ambiguous associated type" on ambiguous associated consts.
// Ensure that we now use the correct label.
#![feature(associated_const_equality)]
trait Trait0: Parent0<i32> + Parent0<u32> {}
trait Parent0<T> { const K: (); }
fn take0(_: impl Trait0<K = { () }>) {}
//~^ ERROR ambiguous associated constant `K` in bounds of `Trait0`
trait Trait1: Parent1 + Parent2 {}
trait Parent1 { const C: i32; }
trait Parent2 { const C: &'static str; }
fn take1(_: impl Trait1<C = "?">) {}
//~^ ERROR ambiguous associated constant `C` in bounds of `Trait1`
fn main() {}