exonum 0.6.0

// Copyright 2017 The Exonum Team
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

//! An implementation of `Error` type.

/// The error type for I/O operations with storage.
#[derive(Fail, Debug, Clone)]
#[fail(display = "{}", message)]
pub struct Error {
    message: String,
}

impl Error {
    /// Creates a new storage error with an information message about the reason.
    ///
    /// # Examples
    ///
    /// ```
    /// use exonum::storage::Error;
    ///
    /// let error = Error::new("Oh no!");
    /// ```
    pub fn new<T: Into<String>>(message: T) -> Error {
        Error { message: message.into() }
    }
}