src/test/run-pass/no-core-1.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 #![allow(stable_features)]
  12 #![feature(no_core, core)]
  13 #![no_core]
  14
  15 extern crate std;
  16 extern crate core;
  17
  18 use std::option::Option::Some;
  19
  20 fn main() {
  21     let a = Some("foo");
  22     a.unwrap();
  23 }