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## root / tmp / org.txm.statsengine.r.core.win32 / res / win32 / library / BH / include / boost / algorithm / cxx11 / copy_if.hpp @ 2486

 1 /*   Copyright (c) Marshall Clow 2008-2012.     Distributed under the Boost Software License, Version 1.0. (See accompanying   file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)  */  /// \file copy_if.hpp  /// \brief Copy a subset of a sequence to a new sequence  /// \author Marshall Clow  #ifndef BOOST_ALGORITHM_COPY_IF_HPP  #define BOOST_ALGORITHM_COPY_IF_HPP  #include // for std::copy_if, if available  #include  #include  namespace boost { namespace algorithm {  /// \fn copy_if ( InputIterator first, InputIterator last, OutputIterator result, Predicate p )  /// \brief Copies all the elements from the input range that satisfy the  /// predicate to the output range.  /// \return The updated output iterator  ///  /// \param first The start of the input sequence  /// \param last One past the end of the input sequence  /// \param result An output iterator to write the results into  /// \param p A predicate for testing the elements of the range  /// \note This function is part of the C++2011 standard library.  /// We will use the standard one if it is available,  /// otherwise we have our own implementation.  template  OutputIterator copy_if ( InputIterator first, InputIterator last, OutputIterator result, Predicate p )  {   for ( ; first != last; ++first )   if (p(*first))   *result++ = *first;   return result;  }  /// \fn copy_if ( const Range &r, OutputIterator result, Predicate p )  /// \brief Copies all the elements from the input range that satisfy the  /// predicate to the output range.  /// \return The updated output iterator  ///  /// \param r The input range  /// \param result An output iterator to write the results into  /// \param p A predicate for testing the elements of the range  ///  template  OutputIterator copy_if ( const Range &r, OutputIterator result, Predicate p )  {   return boost::algorithm::copy_if (boost::begin (r), boost::end(r), result, p);  }  /// \fn copy_while ( InputIterator first, InputIterator last, OutputIterator result, Predicate p )  /// \brief Copies all the elements at the start of the input range that  /// satisfy the predicate to the output range.  /// \return The updated input and output iterators  ///  /// \param first The start of the input sequence  /// \param last One past the end of the input sequence  /// \param result An output iterator to write the results into  /// \param p A predicate for testing the elements of the range  ///  template  std::pair  copy_while ( InputIterator first, InputIterator last, OutputIterator result, Predicate p )  {   for ( ; first != last && p(*first); ++first )   *result++ = *first;   return std::make_pair(first, result);  }  /// \fn copy_while ( const Range &r, OutputIterator result, Predicate p )  /// \brief Copies all the elements at the start of the input range that  /// satisfy the predicate to the output range.  /// \return The updated input and output iterators  ///  /// \param r The input range  /// \param result An output iterator to write the results into  /// \param p A predicate for testing the elements of the range  ///  template  std::pair::type, OutputIterator>  copy_while ( const Range &r, OutputIterator result, Predicate p )  {   return boost::algorithm::copy_while (boost::begin (r), boost::end(r), result, p);  }  /// \fn copy_until ( InputIterator first, InputIterator last, OutputIterator result, Predicate p )  /// \brief Copies all the elements at the start of the input range that do not  /// satisfy the predicate to the output range.  /// \return The updated output iterator  ///  /// \param first The start of the input sequence  /// \param last One past the end of the input sequence  /// \param result An output iterator to write the results into  /// \param p A predicate for testing the elements of the range  ///  template  std::pair  copy_until ( InputIterator first, InputIterator last, OutputIterator result, Predicate p )  {   for ( ; first != last && !p(*first); ++first )   *result++ = *first;   return std::make_pair(first, result);  }  /// \fn copy_until ( const Range &r, OutputIterator result, Predicate p )  /// \brief Copies all the elements at the start of the input range that do not  /// satisfy the predicate to the output range.  /// \return The updated output iterator  ///  /// \param r The input range  /// \param result An output iterator to write the results into  /// \param p A predicate for testing the elements of the range  ///  template  std::pair::type, OutputIterator>  copy_until ( const Range &r, OutputIterator result, Predicate p )  {   return boost::algorithm::copy_until (boost::begin (r), boost::end(r), result, p);  }  }} // namespace boost and algorithm  #endif // BOOST_ALGORITHM_COPY_IF_HPP