mpdpopm 0.3.0

// Copyright (C) 2020-2021 Michael Herstine <sp1ff@pobox.com>
//
// This file is part of mpdpopm.
//
// mpdpopm is free software: you can redistribute it and/or modify it under the terms of the GNU
// General Public License as published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// mpdpopm 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 General
// Public License for more details.
//
// You should have received a copy of the GNU General Public License along with mpdpopm.  If not,
// see <http://www.gnu.org/licenses/>.

/// Provide an implementation of std::convert::From for it's argument for type Error
#[macro_export]
macro_rules! error_from {
    ($t:ty) => {
        impl std::convert::From<$t> for Error {
            fn from(err: $t) -> Self {
                Error::Other {
                    cause: Box::new(err),
                    back: Backtrace::generate(),
                }
            }
        }
    };
}