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Diffstat (limited to 'contrib/llvm-project/libcxx/include/__algorithm/transform.h')
| -rw-r--r-- | contrib/llvm-project/libcxx/include/__algorithm/transform.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/contrib/llvm-project/libcxx/include/__algorithm/transform.h b/contrib/llvm-project/libcxx/include/__algorithm/transform.h new file mode 100644 index 000000000000..1b424409591c --- /dev/null +++ b/contrib/llvm-project/libcxx/include/__algorithm/transform.h @@ -0,0 +1,42 @@ +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___ALGORITHM_TRANSFORM_H +#define _LIBCPP___ALGORITHM_TRANSFORM_H + +#include <__config> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +template <class _InputIterator, class _OutputIterator, class _UnaryOperation> +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _OutputIterator +transform(_InputIterator __first, _InputIterator __last, _OutputIterator __result, _UnaryOperation __op) { + for (; __first != __last; ++__first, (void)++__result) + *__result = __op(*__first); + return __result; +} + +template <class _InputIterator1, class _InputIterator2, class _OutputIterator, class _BinaryOperation> +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _OutputIterator transform( + _InputIterator1 __first1, + _InputIterator1 __last1, + _InputIterator2 __first2, + _OutputIterator __result, + _BinaryOperation __binary_op) { + for (; __first1 != __last1; ++__first1, (void)++__first2, ++__result) + *__result = __binary_op(*__first1, *__first2); + return __result; +} + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP___ALGORITHM_TRANSFORM_H |
