mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-25 08:13:41 +00:00
23 lines
522 B
Rust
23 lines
522 B
Rust
#![feature(fn_traits, unboxed_closures)]
|
|
|
|
struct Foo;
|
|
|
|
impl<'a, T> Fn<(&'a T,)> for Foo {
|
|
extern "rust-call" fn call(&self, (_,): (T,)) {}
|
|
//~^ ERROR: has an incompatible type for trait
|
|
}
|
|
|
|
impl<'a, T> FnMut<(&'a T,)> for Foo {
|
|
extern "rust-call" fn call_mut(&mut self, (_,): (T,)) {}
|
|
//~^ ERROR: has an incompatible type for trait
|
|
}
|
|
|
|
impl<'a, T> FnOnce<(&'a T,)> for Foo {
|
|
type Output = ();
|
|
|
|
extern "rust-call" fn call_once(self, (_,): (T,)) {}
|
|
//~^ ERROR: has an incompatible type for trait
|
|
}
|
|
|
|
fn main() {}
|