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[rustc.git] / src / test / compile-fail / object-does-not-impl-trait.rs
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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.
4//
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.
10
1a4d82fc 11// Test that an object type `Box<Foo>` is not considered to implement the
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12// trait `Foo`. Issue #5087.
13
9346a6ac 14trait Foo {}
223e47cc 15fn take_foo<F:Foo>(f: F) {}
1a4d82fc 16fn take_object(f: Box<Foo>) { take_foo(f); }
54a0048b 17//~^ ERROR `Box<Foo>: Foo` is not satisfied
223e47cc 18fn main() {}