src/test/ui/run-pass/hygiene/lexical.rs

   1 // Copyright 2017 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 // run-pass
  12 // ignore-pretty pretty-printing is unhygienic
  13
  14 #![feature(decl_macro)]
  15
  16 mod bar {
  17     mod baz {
  18         pub fn f() {}
  19     }
  20
  21     pub macro m($f:ident) {
  22         baz::f();
  23         let _: i32 = $f();
  24         {
  25             fn $f() -> u32 { 0 }
  26             let _: u32 = $f();
  27         }
  28     }
  29 }
  30
  31 fn main() {
  32     fn f() -> i32 { 0 }
  33     bar::m!(f);
  34 }