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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___ALGORITHM_TRANSFORM_H10#define _LIBCPP___ALGORITHM_TRANSFORM_H11 12#include <__config>13 14#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)15# pragma GCC system_header16#endif17 18_LIBCPP_BEGIN_NAMESPACE_STD19 20template <class _InputIterator, class _OutputIterator, class _UnaryOperation>21inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _OutputIterator22transform(_InputIterator __first, _InputIterator __last, _OutputIterator __result, _UnaryOperation __op) {23 for (; __first != __last; ++__first, (void)++__result)24 *__result = __op(*__first);25 return __result;26}27 28template <class _InputIterator1, class _InputIterator2, class _OutputIterator, class _BinaryOperation>29inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _OutputIterator transform(30 _InputIterator1 __first1,31 _InputIterator1 __last1,32 _InputIterator2 __first2,33 _OutputIterator __result,34 _BinaryOperation __binary_op) {35 for (; __first1 != __last1; ++__first1, (void)++__first2, ++__result)36 *__result = __binary_op(*__first1, *__first2);37 return __result;38}39 40_LIBCPP_END_NAMESPACE_STD41 42#endif // _LIBCPP___ALGORITHM_TRANSFORM_H43