| // 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. |
| |
| // Test moving array structures, e.g. `[T; 3]` as well as moving |
| // elements in and out of such arrays. |
| // |
| // Note also that the `test_move_array_then_overwrite` tests represent |
| // cases that we probably should make illegal. |
| |
| #![feature(rustc_attrs)] |
| |
| pub struct D { d: isize } |
| impl Drop for D { fn drop(&mut self) { } } |
| |
| #[rustc_move_fragments] |
| pub fn test_move_array_via_return(a: [D; 3]) -> [D; 3] { |
| //~^ ERROR assigned_leaf_path: `$(local a)` |
| //~| ERROR moved_leaf_path: `$(local a)` |
| return a; |
| } |
| |
| #[rustc_move_fragments] |
| pub fn test_move_array_into_recv(a: [D; 3], recv: &mut [D; 3]) { |
| //~^ ERROR parent_of_fragments: `$(local recv)` |
| //~| ERROR assigned_leaf_path: `$(local a)` |
| //~| ERROR moved_leaf_path: `$(local a)` |
| //~| ERROR assigned_leaf_path: `$(local recv).*` |
| *recv = a; |
| } |
| |
| #[rustc_move_fragments] |
| pub fn test_overwrite_array_elem(mut a: [D; 3], i: usize, d: D) { |
| //~^ ERROR parent_of_fragments: `$(local mut a)` |
| //~| ERROR assigned_leaf_path: `$(local i)` |
| //~| ERROR assigned_leaf_path: `$(local d)` |
| //~| ERROR moved_leaf_path: `$(local d)` |
| //~| ERROR assigned_leaf_path: `$(local mut a).[]` |
| //~| ERROR unmoved_fragment: `$(allbutone $(local mut a).[])` |
| a[i] = d; |
| } |
| |
| pub fn main() { } |