43 lines
1.2 KiB
Rust
43 lines
1.2 KiB
Rust
//
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// imag - the personal information management suite for the commandline
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// Copyright (C) 2015-2018 the imag 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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pub struct ExitCode(i32);
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impl From<i32> for ExitCode {
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fn from(i: i32) -> ExitCode {
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ExitCode(i)
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}
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}
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impl ExitCode {
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pub fn code(self) -> i32 {
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self.0
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}
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}
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pub trait ExitUnwrap<T> {
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fn unwrap_or_exit(self) -> T;
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}
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impl<T, E: Into<ExitCode>> ExitUnwrap<T> for Result<T, E> {
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fn unwrap_or_exit(self) -> T {
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self.map_err(Into::into).unwrap_or_else(|e| ::std::process::exit(e.0))
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}
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}
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