boost/move/algo/detail/is_sorted.hpp
#ifndef BOOST_MOVE_DETAIL_IS_SORTED_HPP
#define BOOST_MOVE_DETAIL_IS_SORTED_HPP
///////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2017-2018. Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/container for documentation.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef BOOST_CONFIG_HPP
# include <boost/config.hpp>
#endif
#if defined(BOOST_HAS_PRAGMA_ONCE)
# pragma once
#endif
namespace boost {
namespace movelib {
template<class ForwardIt, class Pred>
bool is_sorted(ForwardIt const first, ForwardIt last, Pred pred)
{
if (first != last) {
ForwardIt next = first, cur(first);
while (++next != last) {
if (pred(*next, *cur))
return false;
cur = next;
}
}
return true;
}
template<class ForwardIt, class Pred>
bool is_sorted_and_unique(ForwardIt first, ForwardIt last, Pred pred)
{
if (first != last) {
ForwardIt next = first;
while (++next != last) {
if (!pred(*first, *next))
return false;
first = next;
}
}
return true;
}
} //namespace movelib {
} //namespace boost {
#endif //BOOST_MOVE_DETAIL_IS_SORTED_HPP