24 lines
747 B
Rust
24 lines
747 B
Rust
// Copyright 2016 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 Trait {
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fn foo(&self) -> Self;
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}
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fn call_foo(x: Box<Trait>) {
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//~^ ERROR E0038
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//~| NOTE the trait `Trait` cannot be made into an object
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//~| NOTE method `foo` references the `Self` type in its arguments or return type
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let y = x.foo();
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}
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fn main() {
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}
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