diff options
Diffstat (limited to 'src/test/ui/run-pass/macros/macro-crate-use.rs')
| -rw-r--r-- | src/test/ui/run-pass/macros/macro-crate-use.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/test/ui/run-pass/macros/macro-crate-use.rs b/src/test/ui/run-pass/macros/macro-crate-use.rs new file mode 100644 index 00000000000..c7255f67fa6 --- /dev/null +++ b/src/test/ui/run-pass/macros/macro-crate-use.rs @@ -0,0 +1,26 @@ +// Copyright 2014 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + + +pub fn increment(x: usize) -> usize { + x + 1 +} + +#[macro_export] +macro_rules! increment { + ($x:expr) => ({ + use $crate::increment; + increment($x) + }) +} + +fn main() { + assert_eq!(increment!(3), 4); +} |
