`unsorted_string_list_has_string`::
It's like `string_list_has_string()` but for unsorted lists.
+
+`unsorted_string_list_lookup`::
+
+ It's like `string_list_lookup()` but for unsorted lists.
+
-This function needs to look through all items, as opposed to its
+The above two functions need to look through all items, as opposed to their
counterpart for sorted lists, which performs a binary search.
Data structures