**STRUCT** # `Functions` The replace, delete and insert functions type. ## Properties ### `replace` The replace function. ### `delete` The delete function. ### `insert` The insert function. ## Methods ### `init(replace:delete:insert:)` Initialize a functions value. - Parameters: - replace: Replace the element at a certain index with a certain element. - delete: Delete the element at a certain index. - insert: Insert a certain element at a certain index.