text: #ifndef SPROUT_FUNCTIONAL_TYPE_TRAITS_INHERIT_IF_TYPE_HPP
  #define SPROUT_FUNCTIONAL_TYPE_TRAITS_INHERIT_IF_TYPE_HPP
  
  #include <sprout/config.hpp>
  #include <sprout/type_traits/inherit_if_xxx.hpp>
  
  namespace sprout {
  	//
  	// inherit_if_result_type
  	// inherit_if_argument_type
  	// inherit_if_first_argument_type
  	// inherit_if_second_argument_type
  	//
  	SPROUT_INHERIT_IF_XXX_TYPE_DEF_LAZY(result_type);
  	SPROUT_INHERIT_IF_XXX_TYPE_DEF_LAZY(argument_type);
  	SPROUT_INHERIT_IF_XXX_TYPE_DEF_LAZY(first_argument_type);
  	SPROUT_INHERIT_IF_XXX_TYPE_DEF_LAZY(second_argument_type);
  }	// namespace sprout
  
  #endif	// #ifndef SPROUT_FUNCTIONAL_TYPE_TRAITS_INHERIT_IF_TYPE_HPP
  