mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-26 08:44:35 +00:00
28 lines
452 B
Rust
28 lines
452 B
Rust
//@ run-pass
|
|
// Test that we select between traits A and B. To do that, we must
|
|
// consider the `Sized` bound.
|
|
|
|
//@ pretty-expanded FIXME #23616
|
|
|
|
trait A { //~ WARN trait `A` is never used
|
|
fn foo(self);
|
|
}
|
|
|
|
trait B {
|
|
fn foo(self);
|
|
}
|
|
|
|
impl<T: Sized> A for *const T {
|
|
fn foo(self) {}
|
|
}
|
|
|
|
impl<T> B for *const [T] {
|
|
fn foo(self) {}
|
|
}
|
|
|
|
fn main() {
|
|
let x: [isize; 4] = [1,2,3,4];
|
|
let xptr = &x[..] as *const [isize];
|
|
xptr.foo();
|
|
}
|