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// Copyright 2017 MaidSafe.net limited.
//
// This SAFE Network Software is licensed to you under (1) the MaidSafe.net Commercial License,
// version 1.0 or later, or (2) The General Public License (GPL), version 3, depending on which
// licence you accepted on initial access to the Software (the "Licences").
//
// By contributing code to the SAFE Network Software, or to this project generally, you agree to be
// bound by the terms of the MaidSafe Contributor Agreement. This, along with the Licenses can be
// found in the root directory of this project at LICENSE, COPYING and CONTRIBUTOR.
//
// Unless required by applicable law or agreed to in writing, the SAFE Network Software distributed
// under the GPL Licence is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.
//
// Please review the Licences for the specific language governing permissions and limitations
// relating to use of the SAFE Network Software.
//! A system for dispatching `Event`s and possibly in the future other message types.
//!
//! The design allows the separate traits to handle dispatching of each type of message to an
//! object handling the appropriate types of message.
use Event;
use VecDeque;
use Default;
use mem;
/// An event dispatcher. Collects things to deliver and "sends".
///
/// The API doesn't specify whether objects get sent immediately synchronously or asynchronously,
/// or collected and sent later.
/// Implementor of `EventBox`; stores its events in a `VecDeque`.