mfbt/Algorithm.h
author Justin Wood <Callek@gmail.com>
Mon, 15 Apr 2019 22:53:10 -0400
changeset 474153 59a1393697e0ac36ee62be71adf58a51904e02b6
parent 448947 6f3709b3878117466168c40affa7bca0b60cf75b
permissions -rw-r--r--
Bug 1547730 - Use new inspection methods introduced in py3 but work in py2.7 for functions r=#build Differential Revision: https://phabricator.services.mozilla.com/D28112

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */

/* A polyfill for `<algorithm>`. */

#ifndef mozilla_Algorithm_h
#define mozilla_Algorithm_h

namespace mozilla {

// Returns true if all elements in the range [aFirst, aLast)
// satisfy the predicate aPred.
template <class Iter, class Pred>
constexpr bool AllOf(Iter aFirst, Iter aLast, Pred aPred) {
  for (; aFirst != aLast; ++aFirst) {
    if (!aPred(*aFirst)) {
      return false;
    }
  }
  return true;
}

}  // namespace mozilla

#endif  // mozilla_Algorithm_h