rust/src/test/compile-fail/borrowck-use-in-index-lvalue.rs
Edward Wang abfde39b0e borrowck: classify expressions as assignees, uses or both
- Repurposes `MoveData.assignee_ids` to mean only `=` but not `+=`, so
  that borrowck effectively classifies all expressions into assignees,
  uses or both.
- Removes two `span_err` in liveness analysis, which are now borrowck's
  responsibilities.

Closes #12527.
2014-03-09 23:23:28 +08:00

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Rust

// Copyright 2012 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.
fn test() {
let w: ~[int];
w[5] = 0; //~ ERROR use of possibly uninitialized variable: `w`
//~^ ERROR cannot assign to immutable vec content `w[..]`
let mut w: ~[int];
w[5] = 0; //~ ERROR use of possibly uninitialized variable: `w`
}
fn main() { test(); }