src/test/compile-fail/feature-gate-staged_api.rs

   1 // Copyright 2016 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 #![stable(feature = "a", since = "b")]
  12 //~^ ERROR stability attributes may not be used outside of the standard library
  13 mod inner_private_module {
  14     // UnnameableTypeAlias isn't marked as reachable, so no stability annotation is required here
  15     pub type UnnameableTypeAlias = u8;
  16 }
  17
  18 #[stable(feature = "a", since = "b")]
  19 //~^ ERROR stability attributes may not be used outside of the standard library
  20 pub fn f() -> inner_private_module::UnnameableTypeAlias {
  21     0
  22 }
  23
  24 fn main() {}