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.
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.
11 // ignore-pretty : (#23623) problems when ending with // comments
13 #![feature(item_like_imports)]
16 // Like other items, private imports can be imported and used non-lexically in paths.
19 use self::foo::foo as bar;
26 mod foo { pub fn f() {} }
27 mod bar { pub fn f() {} }
29 pub fn f() -> bool { true }
31 // Items and explicit imports shadow globs.
35 fn f() -> bool { true }
46 // Here, there appears to be shadowing but isn't because of namespaces.
48 use foo::*; // This imports `f` in the value namespace.
49 use super::b as f; // This imports `f` only in the type namespace,
50 fn test() { self::f(); } // so the glob isn't shadowed.
53 // Here, there is shadowing in one namespace, but not the other.
59 use self::test::*; // This glob-imports `f` in both namespaces.
60 mod f { pub fn f() {} } // This shadows the glob only in the value namespace.
63 self::f(); // Check that the glob-imported value isn't shadowed.
64 self::f::f(); // Check that the glob-imported module is shadowed.
68 // Unused names can be ambiguous.
70 pub use foo::*; // This imports `f` in the value namespace.
71 pub use bar::*; // This also imports `f` in the value namespace.
75 pub use d::*; // n.b. Since `e::f` is not used, this is not considered to be a use of `d::f`.