+HELP: element-size
+{ $values { "seq" sequence } { "n" "a non-negative integer" } }
+{ $contract "Outputs the number of bytes used for each element of the sequence." }
+{ $notes "If a sequence class implements " { $link element-size } " and " { $link >c-ptr } ", then instances of this sequence, as well as slices of this sequence, can be used as binary objects." } ;
+
+{ >c-ptr element-size byte-length } related-words