// Copyright 2012 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #![feature(box_syntax)] struct Struct { person: &'static str } trait Trait { fn f(&self, x: T); } impl Trait<&'static str> for Struct { fn f(&self, x: &'static str) { println!("Hello, {}!", x); } } fn main() { let s: Box> = box Struct { person: "Fred" }; //~^ ERROR the trait `Trait` is not implemented for the type `Struct` s.f(1); }