rust/src/test/compile-fail/moves-sru-moved-field.rs

33 lines
1.0 KiB
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.
type Noncopyable = proc():'static;
struct Foo {
copied: int,
moved: Box<int>,
noncopyable: Noncopyable
}
fn test0(f: Foo, g: Noncopyable, h: Noncopyable) {
// just copy implicitly copyable fields from `f`, no moves:
let _b = Foo {moved: box 1, noncopyable: g, ..f};
let _c = Foo {moved: box 2, noncopyable: h, ..f};
}
fn test1(f: Foo, g: Noncopyable, h: Noncopyable) {
// copying move-by-default fields from `f`, so move:
let _b = Foo {noncopyable: g, ..f};
let _c = Foo {noncopyable: h, ..f}; //~ ERROR use of moved value: `f.moved`
}
fn main() {}