40 lines
886 B
Rust
40 lines
886 B
Rust
// Copyright 2014 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 Copy bounds inherited by trait are checked.
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#![feature(box_syntax)]
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use std::any::Any;
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trait Foo : Copy {
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fn foo(&self) {}
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}
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impl<T:Copy> Foo for T {
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}
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fn take_param<T:Foo>(foo: &T) { }
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fn a() {
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let x: Box<_> = box 3;
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take_param(&x); //~ ERROR E0277
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}
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fn b() {
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let x: Box<_> = box 3;
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let y = &x;
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let z = &x as &Foo;
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//~^ ERROR E0038
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//~| ERROR E0038
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}
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fn main() { }
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