forked from boostorg/algorithm
find_if_not() sequence algorithm
[SVN r47725]
This commit is contained in:
62
include/boost/algorithm/find_if_not.hpp
Normal file
62
include/boost/algorithm/find_if_not.hpp
Normal file
@ -0,0 +1,62 @@
|
||||
/*
|
||||
Copyright (C) 2008 Jesse Williamson
|
||||
|
||||
|
||||
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)
|
||||
|
||||
*/
|
||||
|
||||
#ifndef BOOST_ALGORITHM_SEQUENCE_FIND_IF_NOT_HPP
|
||||
#define BOOST_ALGORITHM_SEQUENCE_FIND_IF_NOT_HPP
|
||||
|
||||
#include <boost/range.hpp>
|
||||
|
||||
/// \file find_if_not.hpp
|
||||
/// \brief Boost implementation of find_if_not() algorithm.
|
||||
/// \author Jesse Williamson
|
||||
|
||||
namespace boost { namespace algorithm { namespace sequence {
|
||||
|
||||
/// \fn InputIterator find_if_not ( InputIterator first, InputIterator last, Predicate pred )
|
||||
/// \brief Returns the first iterator in the range [first, last] for which pred is false. Returns [last] if
|
||||
/// no such iterator exists.
|
||||
///
|
||||
/// \param first The start of the input sequence.
|
||||
/// \param last One past the end of the input sequence.
|
||||
/// \param pred Predicate.
|
||||
///
|
||||
template <class InputIterator, class Predicate>
|
||||
InputIterator find_if_not ( InputIterator first, InputIterator last, Predicate pred )
|
||||
{
|
||||
for( ; first != last; ++first )
|
||||
if(! pred( *first ) )
|
||||
return first;
|
||||
|
||||
return last;
|
||||
}
|
||||
|
||||
/// \fn InputIterator find_if_not ( ForwardReadableRange& R, Predicate pred )
|
||||
/// \brief Returns the first iterator in the range [R] for which pred is false. Returns [R::end] if
|
||||
/// no such iterator exists.
|
||||
///
|
||||
/// \param R A forward readable Boost range input sequence.
|
||||
/// \param pred Predicate.
|
||||
///
|
||||
/*
|
||||
inline typename boost::range_iterator< ForwardReadableRange >::type
|
||||
find( ForwardReadableRange& c, const T& value )
|
||||
{
|
||||
return std::find( boost::begin( c ), boost::end( c ), value );
|
||||
}
|
||||
*/
|
||||
|
||||
template <class ForwardReadableRange, class Predicate>
|
||||
typename boost::range_iterator<ForwardReadableRange>::type find_if_not( ForwardReadableRange& R, Predicate pred )
|
||||
{
|
||||
return find_if_not( boost::begin(R), boost::end(R), pred );
|
||||
}
|
||||
|
||||
}}} // boost::algorithm::sequence
|
||||
|
||||
#endif
|
Reference in New Issue
Block a user