text: #ifndef SPROUT_ITERATOR_TYPE_TRAITS_IS_ITERATOR_OF_HPP
  #define SPROUT_ITERATOR_TYPE_TRAITS_IS_ITERATOR_OF_HPP
  
  #include <iterator>
  #include <type_traits>
  #include <sprout/config.hpp>
  #include <sprout/iterator/type_traits/is_iterator.hpp>
  #include <sprout/iterator/type_traits/is_iterator_category_of.hpp>
  
  namespace sprout {
  	namespace detail {
  		template<typename MaybeIterator, typename Category, typename = void>
  		struct is_iterator_of_impl
  			: public std::false_type
  		{};
  		template<typename MaybeIterator, typename Category>
  		struct is_iterator_of_impl<
  			MaybeIterator, Category,
  			typename std::enable_if<sprout::is_iterator<MaybeIterator>::value>::type
  		>
  			: public sprout::is_iterator_category_of<typename std::iterator_traits<MaybeIterator>::iterator_category, Category>
  		{};
  	}	// namespace detail
  
  	//
  	// is_iterator_of
  	//
  	template<typename MaybeIterator, typename Category>
  	struct is_iterator_of
  		: public sprout::detail::is_iterator_of_impl<MaybeIterator, Category>
  	{};
  
  	//
  	// is_input_iterator
  	//
  	template<typename MaybeIterator>
  	struct is_input_iterator
  		: public sprout::is_iterator_of<MaybeIterator, std::input_iterator_tag>
  	{};
  	//
  	// is_output_iterator
  	//
  	template<typename MaybeIterator>
  	struct is_output_iterator
  		: public sprout::is_iterator_of<MaybeIterator, std::output_iterator_tag>
  	{};
  	//
  	// is_forward_iterator
  	//
  	template<typename MaybeIterator>
  	struct is_forward_iterator
  		: public sprout::is_iterator_of<MaybeIterator, std::forward_iterator_tag>
  	{};
  	//
  	// is_bidirectional_iterator
  	//
  	template<typename MaybeIterator>
  	struct is_bidirectional_iterator
  		: public sprout::is_iterator_of<MaybeIterator, std::bidirectional_iterator_tag>
  	{};
  	//
  	// is_random_access_iterator
  	//
  	template<typename MaybeIterator>
  	struct is_random_access_iterator
  		: public sprout::is_iterator_of<MaybeIterator, std::random_access_iterator_tag>
  	{};
  }	// namespace sprout
  
  #endif	// #ifndef SPROUT_ITERATOR_TYPE_TRAITS_IS_ITERATOR_OF_HPP
  