| // 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)] |
| #![feature(slice_patterns)] |
| |
| 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() {} |