src/test/compile-fail/resolve-bad-visibility.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 #![feature(pub_restricted)]
  12
  13 enum E {}
  14 trait Tr {}
  15
  16 pub(E) struct S; //~ ERROR expected module, found enum `E`
  17 pub(Tr) struct Z; //~ ERROR expected module, found trait `Tr`
  18 pub(std::vec) struct F; //~ ERROR visibilities can only be restricted to ancestor modules
  19 pub(nonexistent) struct G; //~ ERROR cannot find module `nonexistent` in the crate root
  20 pub(too_soon) struct H; //~ ERROR cannot find module `too_soon` in the crate root
  21
  22 // Visibilities are resolved eagerly without waiting for modules becoming fully populated.
  23 // Visibilities can only use ancestor modules legally which are always available in time,
  24 // so the worst thing that can happen due to eager resolution is a suboptimal error message.
  25 mod too_soon {}
  26
  27 fn main () {}