mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-25 16:24:46 +00:00
26 lines
390 B
Rust
26 lines
390 B
Rust
#![feature(marker_trait_attr)]
|
|
|
|
#[marker]
|
|
trait A {}
|
|
|
|
trait B {}
|
|
|
|
impl<T: A> B for T {}
|
|
impl<T: B> A for T {}
|
|
impl A for &str {}
|
|
impl<T: A + B> A for (T,) {}
|
|
trait TraitWithAssoc {
|
|
type Assoc;
|
|
}
|
|
|
|
impl<T: A> TraitWithAssoc for T {
|
|
type Assoc = T;
|
|
}
|
|
|
|
impl TraitWithAssoc for ((&str,),) {
|
|
//~^ ERROR conflicting implementations
|
|
type Assoc = ((&'static str,),);
|
|
}
|
|
|
|
fn main() {}
|