19 lines
392 B
Rust
19 lines
392 B
Rust
//@ run-pass
|
|
|
|
#![allow(dead_code)]
|
|
// Tests that even when a type parameter doesn't implement a required
|
|
// super-builtin-kind of a trait, if the type parameter is never used,
|
|
// the type can implement the trait anyway.
|
|
|
|
//@ pretty-expanded FIXME #23616
|
|
|
|
use std::marker;
|
|
|
|
trait Foo : Send { }
|
|
|
|
struct X<T> { marker: marker::PhantomData<T> }
|
|
|
|
impl<T:Send> Foo for X<T> { }
|
|
|
|
pub fn main() { }
|