src/test/pretty/unary-op-disambig.rs

   1 // Copyright 2012 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 // compile-flags: --crate-type=lib
  12
  13 // Preserve semicolons that disambiguate unops
  14
  15 fn f() { }
  16
  17 fn block_semi() -> isize { { f() }; -1 }
  18
  19 fn block_nosemi() -> isize { ({ 0 }) - 1 }
  20
  21 fn if_semi() -> isize { if true { f() } else { f() }; -1 }
  22
  23 fn if_nosemi() -> isize { (if true { 0 } else { 0 }) - 1 }
  24
  25 fn alt_semi() -> isize { match true { true => { f() } _ => { } }; -1 }
  26
  27 fn alt_no_semi() -> isize { (match true { true => { 0 } _ => { 1 } }) - 1 }
  28
  29 fn stmt() { { f() }; -1; }