libcxx/include/__algorithm/replace_if.h

   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_REPLACE_IF_H
  10 #define _LIBCPP___ALGORITHM_REPLACE_IF_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
  20 template <class _ForwardIterator, class _Predicate, class _Tp>
  21 inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void
  22 replace_if(_ForwardIterator __first, _ForwardIterator __last, _Predicate __pred, const _Tp& __new_value) {
  23   for (; __first != __last; ++__first)
  24     if (__pred(*__first))
  25       *__first = __new_value;
  26 }
  27
  28 _LIBCPP_END_NAMESPACE_STD
  29
  30 #endif // _LIBCPP___ALGORITHM_REPLACE_IF_H