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// run-pass
#![allow(dead_code)]
#![allow(unused_variables)]
#![allow(unused_imports)]
// Test paths to associated types using the type-parameter-only sugar.
use std::ops::Deref;
pub trait Foo {
type A;
fn boo(&self) -> Self::A;
}
impl Foo for isize {
type A = usize;
fn boo(&self) -> usize {
5
}
}
// Using a type via a function.
pub fn bar<T: Foo>(a: T, x: T::A) -> T::A {
let _: T::A = a.boo();
x
}
// Using a type via an impl.
trait C {
fn f();
fn g(&self) { }
}
struct B<X>(X);
impl<T: Foo> C for B<T> {
fn f() {
let x: T::A = panic!();
}
}
pub fn main() {
let z: usize = bar(2, 4);
}
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