// pest. The Elegant Parser
// Copyright (C) 2017 DragoČ™ Tiselice
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
use Error;
use Pairs;
use RuleType;
/// A `trait` that defines a `Parser`.