67 lines
1.8 KiB
Rust
67 lines
1.8 KiB
Rust
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//
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// imag - the personal information management suite for the commandline
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// Copyright (C) 2015-2019 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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use std::fmt::Display;
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use std::fmt::Debug;
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use failure::Fail;
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#[derive(Debug)]
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pub enum Error {
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Io(::std::io::Error),
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Other(::failure::Error),
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}
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impl Display for Error {
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fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
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match self {
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Error::Io(e) => write!(f, "{}", e),
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Error::Other(e) => write!(f, "{}", e),
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}
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}
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}
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impl Fail for Error {
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/* empty */
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}
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impl From<::std::io::Error> for Error {
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fn from(ioe: ::std::io::Error) -> Self {
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Error::Io(ioe)
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}
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}
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impl From<::failure::Error> for Error {
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fn from(fe: ::failure::Error) -> Self {
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Error::Other(fe)
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}
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}
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impl<D> From<::failure::Context<D>> for Error
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where D: Debug + Display + Send + Sync
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{
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fn from(ctx: ::failure::Context<D>) -> Self {
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Error::Other(ctx.into())
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}
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}
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/// Convenient helper type
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pub type Result<T> = ::std::result::Result<T, Error>;
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