rust/src/test/ui/opt-in-copy.rs

33 lines
867 B
Rust

// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
struct CantCopyThis;
struct IWantToCopyThis {
but_i_cant: CantCopyThis,
}
impl Copy for IWantToCopyThis {}
//~^ ERROR the trait `Copy` may not be implemented for this type
enum CantCopyThisEither {
A,
B,
}
enum IWantToCopyThisToo {
ButICant(CantCopyThisEither),
}
impl Copy for IWantToCopyThisToo {}
//~^ ERROR the trait `Copy` may not be implemented for this type
fn main() {}