1e78f53d1SNikolas Klauser //===----------------------------------------------------------------------===// 2e78f53d1SNikolas Klauser // 3e78f53d1SNikolas Klauser // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4e78f53d1SNikolas Klauser // See https://llvm.org/LICENSE.txt for license information. 5e78f53d1SNikolas Klauser // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6e78f53d1SNikolas Klauser // 7e78f53d1SNikolas Klauser //===----------------------------------------------------------------------===// 8e78f53d1SNikolas Klauser 9*ce777190SNikolas Klauser #ifndef _LIBCPP___CXX03___ALGORITHM_TRANSFORM_H 10*ce777190SNikolas Klauser #define _LIBCPP___CXX03___ALGORITHM_TRANSFORM_H 11e78f53d1SNikolas Klauser 1273fbae83SNikolas Klauser #include <__cxx03/__config> 13e78f53d1SNikolas Klauser 14e78f53d1SNikolas Klauser #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 15e78f53d1SNikolas Klauser # pragma GCC system_header 16e78f53d1SNikolas Klauser #endif 17e78f53d1SNikolas Klauser 18e78f53d1SNikolas Klauser _LIBCPP_BEGIN_NAMESPACE_STD 19e78f53d1SNikolas Klauser 20e78f53d1SNikolas Klauser template <class _InputIterator, class _OutputIterator, class _UnaryOperation> 21e78f53d1SNikolas Klauser inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _OutputIterator 22e78f53d1SNikolas Klauser transform(_InputIterator __first, _InputIterator __last, _OutputIterator __result, _UnaryOperation __op) { 23e78f53d1SNikolas Klauser for (; __first != __last; ++__first, (void)++__result) 24e78f53d1SNikolas Klauser *__result = __op(*__first); 25e78f53d1SNikolas Klauser return __result; 26e78f53d1SNikolas Klauser } 27e78f53d1SNikolas Klauser 28e78f53d1SNikolas Klauser template <class _InputIterator1, class _InputIterator2, class _OutputIterator, class _BinaryOperation> 29e78f53d1SNikolas Klauser inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _OutputIterator transform( 30e78f53d1SNikolas Klauser _InputIterator1 __first1, 31e78f53d1SNikolas Klauser _InputIterator1 __last1, 32e78f53d1SNikolas Klauser _InputIterator2 __first2, 33e78f53d1SNikolas Klauser _OutputIterator __result, 34e78f53d1SNikolas Klauser _BinaryOperation __binary_op) { 35e78f53d1SNikolas Klauser for (; __first1 != __last1; ++__first1, (void)++__first2, ++__result) 36e78f53d1SNikolas Klauser *__result = __binary_op(*__first1, *__first2); 37e78f53d1SNikolas Klauser return __result; 38e78f53d1SNikolas Klauser } 39e78f53d1SNikolas Klauser 40e78f53d1SNikolas Klauser _LIBCPP_END_NAMESPACE_STD 41e78f53d1SNikolas Klauser 42*ce777190SNikolas Klauser #endif // _LIBCPP___CXX03___ALGORITHM_TRANSFORM_H 43