src/test/compile-fail/augmented-assignments-feature-gate-cross.rs

   1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 // aux-build:augmented_assignments.rs
  12
  13 // Test that the feature gate is needed when using augmented assignments that were overloaded in
  14 // another crate
  15
  16 extern crate augmented_assignments;
  17
  18 use augmented_assignments::Int;
  19
  20 fn main() {
  21     let mut x = Int(0);
  22     x += 1;
  23     //~^ error: overloaded augmented assignments are not stable
  24     // | help: add #![feature(augmented_assignments)] to the crate root to enable
  25 }