41 lines
1.3 KiB
Rust
41 lines
1.3 KiB
Rust
//
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// imag - the personal information management suite for the commandline
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// Copyright (C) 2015-2018 Matthias Beyer <mail@beyermatthias.de> and contributors
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; version
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// 2.1 of the License.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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//
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/// This function prints the string `s` via the `warn!()` macro and then exits with the code `code`
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/// as status.
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///
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/// Convenience function to be used in matches to remove one scope:
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///
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/// ```ignore
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/// use libimagutil::warn_exit::warn_exit;
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///
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/// let r: Result<i32, i32> = Err(1);
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/// match r {
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/// Err(e) => warn_exit("Warning!", 42),
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/// Ok(num) => { /* ... */ }
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/// }
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/// ```
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///
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pub fn warn_exit(s: &str, code: i32) -> ! {
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use std::process::exit;
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warn!("{}", s);
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exit(code);
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}
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