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// run-pass trait Foo { fn f(&self); } struct Bar { x: isize } trait Baz { fn g(&self); } impl<T:Baz> Foo for T { fn f(&self) { self.g(); } } impl Baz for Bar { fn g(&self) { println!("{}", self.x); } } pub fn main() { let y = Bar { x: 42 }; y.f(); }