Returns the number of items currently in the container.
| size < abstract-bag/set-container > |
| size < alist-container > |
| size < array > |
| size < bag/set-container > |
| size < basic-graph > |
| size < basic-queue > |
| size < binary-search-tree > |
| size < bst-node > |
| size < contents-as-array-mixin > |
| size < contents-as-hashtable-mixin > |
| size < contents-as-sequence-mixin > |
| size < dlist-container > |
| size < hash-table > |
| size < list > |
| size < package-container > |
| size < priority-queue-on-container > |
| size < quad-tree > |
| size < ring-buffer > |
| size < stable-associative-container > |
| size < stack-container > |
| size < vector > |
| size < vector-container > |