78 lines
2.1 KiB
Rust
78 lines
2.1 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.
|
|
|
|
#![feature(advanced_slice_patterns)]
|
|
#![feature(box_patterns)]
|
|
#![feature(box_syntax)]
|
|
|
|
fn a() {
|
|
let mut vec = [box 1, box 2, box 3];
|
|
match vec {
|
|
[box ref _a, _, _] => {
|
|
vec[0] = box 4; //~ ERROR cannot assign
|
|
}
|
|
}
|
|
}
|
|
|
|
fn b() {
|
|
let mut vec = vec!(box 1, box 2, box 3);
|
|
let vec: &mut [Box<isize>] = &mut vec;
|
|
match vec {
|
|
[_b..] => {
|
|
vec[0] = box 4; //~ ERROR cannot assign
|
|
}
|
|
}
|
|
}
|
|
|
|
fn c() {
|
|
let mut vec = vec!(box 1, box 2, box 3);
|
|
let vec: &mut [Box<isize>] = &mut vec;
|
|
match vec {
|
|
[_a, //~ ERROR cannot move out
|
|
_b..] => { //~^ NOTE attempting to move value to here
|
|
|
|
// Note: `_a` is *moved* here, but `b` is borrowing,
|
|
// hence illegal.
|
|
//
|
|
// See comment in middle/borrowck/gather_loans/mod.rs
|
|
// in the case covering these sorts of vectors.
|
|
}
|
|
_ => {}
|
|
}
|
|
let a = vec[0]; //~ ERROR cannot move out
|
|
}
|
|
|
|
fn d() {
|
|
let mut vec = vec!(box 1, box 2, box 3);
|
|
let vec: &mut [Box<isize>] = &mut vec;
|
|
match vec {
|
|
[_a.., //~ ERROR cannot move out
|
|
_b] => {} //~ NOTE attempting to move value to here
|
|
_ => {}
|
|
}
|
|
let a = vec[0]; //~ ERROR cannot move out
|
|
}
|
|
|
|
fn e() {
|
|
let mut vec = vec!(box 1, box 2, box 3);
|
|
let vec: &mut [Box<isize>] = &mut vec;
|
|
match vec {
|
|
[_a, _b, _c] => {} //~ ERROR cannot move out
|
|
//~^ NOTE attempting to move value to here
|
|
//~^^ NOTE and here
|
|
//~^^^ NOTE and here
|
|
_ => {}
|
|
}
|
|
let a = vec[0]; //~ ERROR cannot move out
|
|
//~^ NOTE attempting to move value to here
|
|
}
|
|
|
|
fn main() {}
|