rust/tests/ui/associated-types/associated-types-projection...

32 lines
596 B
Rust

//@ run-rustfix
// Check that we get an error when you use `<Self as Get>::Value` in
// the trait definition even if there is no default method.
#![allow(dead_code)]
trait Get {
type Value;
}
trait Other {
fn okay<U:Get>(&self, foo: U, bar: <Self as Get>::Value) where Self: Get;
//~^ ERROR E0277
}
impl Get for () {
type Value = f32;
}
impl Get for f64 {
type Value = u32;
}
impl Other for () {
fn okay<U:Get>(&self, _foo: U, _bar: <Self as Get>::Value) { }
}
impl Other for f64 {
fn okay<U:Get>(&self, _foo: U, _bar: <Self as Get>::Value) { }
}
fn main() { }