text: /*=============================================================================
    Copyright (c) 2011-2015 Bolero MURAKAMI
    https://github.com/bolero-MURAKAMI/Sprout
  
    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 SPROUT_ITERATOR_TYPE_TRAITS_IS_CONSTANT_DISTANCE_ITERATOR_HPP
  #define SPROUT_ITERATOR_TYPE_TRAITS_IS_CONSTANT_DISTANCE_ITERATOR_HPP
  
  #include <type_traits>
  #include <sprout/config.hpp>
  #include <sprout/iterator/type_traits/is_iterator_of.hpp>
  #include <sprout/type_traits/integral_constant.hpp>
  
  namespace sprout {
  	//
  	// is_constant_distance_iterator
  	//
  	template<typename MaybeIterator>
  	struct is_constant_distance_iterator
  		: public sprout::bool_constant<
  #ifdef SPROUT_NO_CXX14_CONSTEXPR
  			sprout::is_random_access_iterator<MaybeIterator>::value && !std::is_pointer<MaybeIterator>::value
  #else	// #ifdef SPROUT_NO_CXX14_CONSTEXPR
  			sprout::is_random_access_iterator<MaybeIterator>::value
  #endif	// #ifdef SPROUT_NO_CXX14_CONSTEXPR
  		>
  	{};
  
  #if SPROUT_USE_VARIABLE_TEMPLATES
  	template<typename MaybeIterator>
  	SPROUT_STATIC_CONSTEXPR bool is_constant_distance_iterator_v = sprout::is_constant_distance_iterator<MaybeIterator>::value;
  #endif	// #if SPROUT_USE_VARIABLE_TEMPLATES
  }	// namespace sprout
  
  #endif	// #ifndef SPROUT_ITERATOR_TYPE_TRAITS_IS_CONSTANT_DISTANCE_ITERATOR_HPP
  