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- //
- // imag - the personal information management suite for the commandline
- // Copyright (C) 2015, 2016 Matthias Beyer <mail@beyermatthias.de> and contributors
- //
- // This library is free software; you can redistribute it and/or
- // modify it under the terms of the GNU Lesser General Public
- // License as published by the Free Software Foundation; version
- // 2.1 of the License.
- //
- // This library is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- // Lesser General Public License for more details.
- //
- // You should have received a copy of the GNU Lesser General Public
- // License along with this library; if not, write to the Free Software
- // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- //
- #[macro_export]
- macro_rules! is_match {
- ($expression: expr, $($pattern:tt)+) => {
- is_match! {tt
- match $expression {
- $($pattern)+ => true,
- _ => false
- }
- }
- };
- (tt $value:expr) => ($value);
- }
- #[test]
- fn test_matching() {
- let foo = Some("-12");
- assert!(is_match!(foo, Some(bar) if
- is_match!(bar.as_bytes()[0], b'+' | b'-') &&
- is_match!(bar.as_bytes()[1], b'0'...b'9')
- ));
- assert!(!is_match!(foo, None));
- }
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