| // 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 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| struct Struct { |
| person: &'static str |
| } |
| |
| trait Trait<T> { |
| fn f(&self, x: T); |
| } |
| |
| impl Trait<&'static str> for Struct { |
| fn f(&self, x: &'static str) { |
| println!("Hello, {}!", x); |
| } |
| } |
| |
| fn main() { |
| // FIXME (#22405): Replace `Box::new` with `box` here when/if possible. |
| let s: Box<Trait<isize>> = Box::new(Struct { person: "Fred" }); |
| //~^ ERROR the trait `Trait<isize>` is not implemented for the type `Struct` |
| s.f(1); |
| } |