src/librustc/middle/typeck/infer/macros.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 #[macro_escape];
  12
  13 macro_rules! if_ok(
  14     ($inp: expr) => (
  15         match $inp {
  16             Ok(v) => { v }
  17             Err(e) => { return Err(e); }
  18         }
  19     )
  20 )
  21