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|
//@ run-pass
// Check that global bounds result in the expected choice of associated type
#![feature(trivial_bounds)]
#![allow(unused)]
struct B;
trait A {
type X;
fn get_x() -> Self::X;
}
impl A for B {
type X = u8;
fn get_x() -> u8 { 0 }
}
fn underspecified_bound() -> u8
where
B: A //~ WARNING trivial_bounds
{
B::get_x()
}
fn inconsistent_bound() -> i32
where
B: A<X = i32> //~ WARNING trivial_bounds
{
B::get_x()
}
fn redundant_bound() -> u8
where
B: A<X = u8> //~ WARNING trivial_bounds
{
B::get_x()
}
fn inconsistent_dup_bound() -> i32
where
B: A<X = i32> + A
//~^ WARNING trivial_bounds
//~| WARNING trivial_bounds
{
B::get_x()
}
fn redundant_dup_bound() -> u8
where
B: A<X = u8> + A
//~^ WARNING trivial_bounds
//~| WARNING trivial_bounds
{
B::get_x()
}
fn main () {}
|
