imag/lib/core/libimagerror/src/str.rs

//
// imag - the personal information management suite for the commandline
// Copyright (C) 2015-2018 the imag 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
//

use std::error::Error;

pub trait ErrFromStr<T> {
    fn err_from_str(self) -> Result<T, String>;
}

impl<T, E: Error> ErrFromStr<T> for Result<T, E> {
    fn err_from_str(self) -> Result<T, String> {
        self.map_err(|e| e.description().to_string())
    }
}