26 lines
589 B
Rust
26 lines
589 B
Rust
//@ check-pass
|
|
|
|
// Test that impls on projected self types can resolve overlap, even when the
|
|
// projections involve specialization, so long as the associated type is
|
|
// provided by the most specialized impl.
|
|
|
|
#![feature(specialization)] //~ WARN the feature `specialization` is incomplete
|
|
|
|
trait Assoc {
|
|
type Output;
|
|
}
|
|
|
|
impl<T> Assoc for T {
|
|
default type Output = bool;
|
|
}
|
|
|
|
impl Assoc for u8 { type Output = u8; }
|
|
impl Assoc for u16 { type Output = u16; }
|
|
|
|
trait Foo {}
|
|
impl Foo for u32 {}
|
|
impl Foo for <u8 as Assoc>::Output {}
|
|
impl Foo for <u16 as Assoc>::Output {}
|
|
|
|
fn main() {}
|