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-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef _LIBCPP___ALGORITHM_TRANSFORM_H
10#define _LIBCPP___ALGORITHM_TRANSFORM_H
11
12#include <__config>
13
14#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
15# pragma GCC system_header
16#endif
17
18_LIBCPP_BEGIN_NAMESPACE_STD
19
20template <class _InputIterator, class _OutputIterator, class _UnaryOperation>
21inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
22_OutputIterator
23transform(_InputIterator __first, _InputIterator __last, _OutputIterator __result, _UnaryOperation __op)
24{
25 for (; __first != __last; ++__first, (void) ++__result)
26 *__result = __op(*__first);
27 return __result;
28}
29
30template <class _InputIterator1, class _InputIterator2, class _OutputIterator, class _BinaryOperation>
31inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
32_OutputIterator
33transform(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2,
34 _OutputIterator __result, _BinaryOperation __binary_op)
35{
36 for (; __first1 != __last1; ++__first1, (void) ++__first2, ++__result)
37 *__result = __binary_op(*__first1, *__first2);
38 return __result;
39}
40
41_LIBCPP_END_NAMESPACE_STD
42
43#endif // _LIBCPP___ALGORITHM_TRANSFORM_H
44

source code of flutter_engine/third_party/libcxx/include/__algorithm/transform.h