//@ 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 Quux for T { } fn f(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); }