Function template copy

Function template copy_while

boost::algorithm::copy_while — Copies all the elements at the start of the input range that satisfy the predicate to the output range.

Synopsis

// In header: <boost/algorithm/cxx11/copy_if.hpp>


template<typename Range, typename OutputIterator, typename Predicate> 
  BOOST_CXX14_CONSTEXPR std::pair< typename boost::range_iterator< const Range >::type, OutputIterator > 
  copy_while(const Range & r, OutputIterator result, Predicate p);

Description

Parameters:

`r`	The input range
`result`	An output iterator to write the results into
`p`	A predicate for testing the elements of the range

Returns:

The updated input and output iterators