;------------------------------------------------------------------------------
;  boost unordered collections
;------------------------------------------------------------------------------


boost::unordered::unordered_map<*,*,*,*,*>{
	        preview (
		#(
			"[",
			$e.table_.size_,
			"](",
			#list(
				head: $e.table_.buckets_[$e.table_.bucket_count_].next_,
				size: $e.table_.size_,
				next: next_
			) : #(*(std::pair<$T1 const ,$T2 >*)(boost::unordered::detail::ptr_node<std::pair<$T1 const ,$T2 > > *)(&$e)),
			")"
		))
	        children(
		#(
                        size: ($e.table_.size_),
			#list(
				head: $e.table_.buckets_[$e.table_.bucket_count_].next_,
				size: $e.table_.size_,
				next: next_
			) : #(*(std::pair<$T1 const ,$T2 >*)(boost::unordered::detail::ptr_node<std::pair<$T1 const ,$T2 > > *)(&$e))
		))
}


boost::unordered::unordered_set<*,*,*,*>{
	        preview (
		#(
			"[",
			$e.table_.size_,
			"](",
			#list(
				head: $e.table_.buckets_[$e.table_.bucket_count_].next_,
				size: $e.table_.size_,
				next: next_
			) : #(*($T1 *)(boost::unordered::detail::ptr_node<$T1 > *)(&$e)),
			")"
		))
	        children(
		#(
                        size: ($e.table_.size_),
			#list(
				head: $e.table_.buckets_[$e.table_.bucket_count_].next_,
				size: $e.table_.size_,
				next: next_
			) : #(*($T1 *)(boost::unordered::detail::ptr_node<$T1 > *)(&$e)),
		))
}