src/test/ui/inference_unstable.rs

   1 // Copyright 2018 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 // Ensures #[unstable] functions without opting in the corresponding #![feature]
  12 // will not break inference.
  13
  14 // aux-build:inference_unstable_iterator.rs
  15 // aux-build:inference_unstable_itertools.rs
  16 // run-pass
  17
  18 extern crate inference_unstable_iterator;
  19 extern crate inference_unstable_itertools;
  20
  21 #[allow(unused_imports)]
  22 use inference_unstable_iterator::IpuIterator;
  23 use inference_unstable_itertools::IpuItertools;
  24
  25 fn main() {
  26     assert_eq!('x'.ipu_flatten(), 1);
  27     //~^ WARN a method with this name may be added to the standard library in the future
  28     //~^^ WARN once this method is added to the standard library, the ambiguity may cause an error
  29 }