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1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef _LIBCPP___CXX03___ALGORITHM_LEXICOGRAPHICAL_COMPARE_H10#define _LIBCPP___CXX03___ALGORITHM_LEXICOGRAPHICAL_COMPARE_H11 12#include <__cxx03/__algorithm/comp.h>13#include <__cxx03/__algorithm/comp_ref_type.h>14#include <__cxx03/__config>15#include <__cxx03/__iterator/iterator_traits.h>16 17#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)18# pragma GCC system_header19#endif20 21_LIBCPP_BEGIN_NAMESPACE_STD22 23template <class _Compare, class _InputIterator1, class _InputIterator2>24_LIBCPP_HIDE_FROM_ABI bool __lexicographical_compare(25 _InputIterator1 __first1,26 _InputIterator1 __last1,27 _InputIterator2 __first2,28 _InputIterator2 __last2,29 _Compare __comp) {30 for (; __first2 != __last2; ++__first1, (void)++__first2) {31 if (__first1 == __last1 || __comp(*__first1, *__first2))32 return true;33 if (__comp(*__first2, *__first1))34 return false;35 }36 return false;37}38 39template <class _InputIterator1, class _InputIterator2, class _Compare>40_LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI bool lexicographical_compare(41 _InputIterator1 __first1,42 _InputIterator1 __last1,43 _InputIterator2 __first2,44 _InputIterator2 __last2,45 _Compare __comp) {46 return std::__lexicographical_compare<__comp_ref_type<_Compare> >(__first1, __last1, __first2, __last2, __comp);47}48 49template <class _InputIterator1, class _InputIterator2>50_LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI bool lexicographical_compare(51 _InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _InputIterator2 __last2) {52 return std::lexicographical_compare(__first1, __last1, __first2, __last2, __less<>());53}54 55_LIBCPP_END_NAMESPACE_STD56 57#endif // _LIBCPP___CXX03___ALGORITHM_LEXICOGRAPHICAL_COMPARE_H58