Returns a possibly filtered and possibly transformed list of the elements in a container. If the container uses nodes, then the elements are the things 'in' the nodes.
| collect-elements < ARRAY > |
| collect-elements :around < filtered-container-mixin > |
| collect-elements < HASH-TABLE > |
| collect-elements < iteratable-container-mixin > |
| collect-elements < LIST > |
| collect-elements < sorted-list-container > |
| collect-elements < uses-contents-mixin > |
| collect-elements < VECTOR > |