1 // Copyright 2012 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // Test that an object type `Box<Foo>` is not considered to implement the
12 // trait `Foo`. Issue #5087.
15 fn take_foo<F:Foo>(f: F) {}
16 fn take_object(f: Box<Foo>) { take_foo(f); }
17 //~^ ERROR `std::boxed::Box<Foo>: Foo` is not satisfied