27 lines
742 B
Rust
27 lines
742 B
Rust
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// Copyright 2018 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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trait Foo {
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extern fn borrow(&self);
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extern fn take(self: Box<Self>);
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}
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struct Bar;
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impl Foo for Bar {
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extern fn borrow(&self) {}
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extern fn take(self: Box<Self>) {}
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}
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fn main() {
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let foo: Box<dyn Foo> = Box::new(Bar);
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foo.borrow();
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foo.take()
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}
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