19 lines
716 B
Rust
19 lines
716 B
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Test that an object type `Box<Foo>` is not considered to implement the
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// trait `Foo`. Issue #5087.
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trait Foo {}
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fn take_foo<F:Foo>(f: F) {}
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fn take_object(f: Box<Foo>) { take_foo(f); }
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//~^ ERROR the trait `Foo` is not implemented
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fn main() {}
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