mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-01 15:01:51 +00:00
20 lines
361 B
Rust
20 lines
361 B
Rust
// run-pass
|
|
|
|
#![allow(non_camel_case_types)]
|
|
#![allow(dead_code)]
|
|
// pretty-expanded FIXME #23616
|
|
|
|
trait thing<A> {
|
|
fn foo(&self) -> Option<A>;
|
|
}
|
|
impl<A> thing<A> for isize {
|
|
fn foo(&self) -> Option<A> { None }
|
|
}
|
|
fn foo_func<A, B: thing<A>>(x: B) -> Option<A> { x.foo() }
|
|
|
|
struct A { a: isize }
|
|
|
|
pub fn main() {
|
|
let _x: Option<f64> = foo_func(0);
|
|
}
|