rust/tests/ui/traits/inheritance/auto-xc-2.rs

24 lines
437 B
Rust

//@ run-pass
//@ aux-build:auto_xc_2.rs
extern crate auto_xc_2 as aux;
// aux defines impls of Foo, Bar and Baz for A
use aux::{Foo, Bar, Baz, A};
// We want to extend all Foo, Bar, Bazes to Quuxes
pub trait Quux: Foo + Bar + Baz { }
impl<T:Foo + Bar + Baz> Quux for T { }
fn f<T:Quux>(a: &T) {
assert_eq!(a.f(), 10);
assert_eq!(a.g(), 20);
assert_eq!(a.h(), 30);
}
pub fn main() {
let a = &A { x: 3 };
f(a);
}