mirror of https://github.com/rust-lang/rust
21 lines
366 B
Rust
21 lines
366 B
Rust
//@ run-pass
|
|
|
|
#![feature(marker_trait_attr)]
|
|
#![feature(specialization)] //~ WARN the feature `specialization` is incomplete
|
|
|
|
#[marker]
|
|
trait MyMarker {}
|
|
|
|
impl<T> MyMarker for T {}
|
|
impl<T> MyMarker for Vec<T> {}
|
|
|
|
fn foo<T: MyMarker>(t: T) -> T {
|
|
t
|
|
}
|
|
|
|
fn main() {
|
|
assert_eq!(1, foo(1));
|
|
assert_eq!(2.0, foo(2.0));
|
|
assert_eq!(vec![1], foo(vec![1]));
|
|
}
|