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221
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1 //===----------------------------------------------------------------------===//
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2 //
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3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 // See https://llvm.org/LICENSE.txt for license information.
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5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 //
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7 //===----------------------------------------------------------------------===//
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8
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9 #ifndef _LIBCPP___ALGORITHM_TRANSFORM_H
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10 #define _LIBCPP___ALGORITHM_TRANSFORM_H
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11
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12 #include <__config>
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13
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14 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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236
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15 # pragma GCC system_header
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221
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16 #endif
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17
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18 _LIBCPP_BEGIN_NAMESPACE_STD
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19
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20 template <class _InputIterator, class _OutputIterator, class _UnaryOperation>
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236
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21 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20
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221
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22 _OutputIterator
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23 transform(_InputIterator __first, _InputIterator __last, _OutputIterator __result, _UnaryOperation __op)
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24 {
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25 for (; __first != __last; ++__first, (void) ++__result)
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26 *__result = __op(*__first);
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27 return __result;
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28 }
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29
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30 template <class _InputIterator1, class _InputIterator2, class _OutputIterator, class _BinaryOperation>
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236
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31 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20
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221
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32 _OutputIterator
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33 transform(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2,
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34 _OutputIterator __result, _BinaryOperation __binary_op)
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35 {
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36 for (; __first1 != __last1; ++__first1, (void) ++__first2, ++__result)
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37 *__result = __binary_op(*__first1, *__first2);
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38 return __result;
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39 }
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40
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41 _LIBCPP_END_NAMESPACE_STD
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42
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43 #endif // _LIBCPP___ALGORITHM_TRANSFORM_H
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