mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-27 09:14:20 +00:00
40ae34194c
detects redundant imports that can be eliminated. for #117772 : In order to facilitate review and modification, split the checking code and removing redundant imports code into two PR.
39 lines
560 B
Rust
39 lines
560 B
Rust
// run-pass
|
|
|
|
use std::fmt::Debug;
|
|
|
|
trait MyTrait<T> {
|
|
fn get(&self) -> T;
|
|
}
|
|
|
|
impl<T> MyTrait<T> for T
|
|
where T : Default
|
|
{
|
|
fn get(&self) -> T {
|
|
Default::default()
|
|
}
|
|
}
|
|
|
|
#[derive(Copy, Clone)]
|
|
struct MyType {
|
|
dummy: usize
|
|
}
|
|
|
|
impl MyTrait<usize> for MyType {
|
|
fn get(&self) -> usize { self.dummy }
|
|
}
|
|
|
|
fn test_eq<T,M>(m: M, v: T)
|
|
where T : Eq + Debug,
|
|
M : MyTrait<T>
|
|
{
|
|
assert_eq!(m.get(), v);
|
|
}
|
|
|
|
pub fn main() {
|
|
test_eq(22_usize, 0_usize);
|
|
|
|
let value = MyType { dummy: 256 + 22 };
|
|
test_eq(value, value.dummy);
|
|
}
|