Show how to iterate over the key-value pairs of an associative array, and print each pair out.

Also show how to iterate just over the keys, or the values, if there is a separate way to do that in your language.



See also

 Array
 Associative array: Creation, Iteration
 Collections
 Compound data type
 Doubly-linked list: Definition, Element definition, Element insertion, List Traversal, Element Removal
 Linked list
 Queue: Definition, Usage
 Set
 Singly-linked list: Element definition, Element insertion, List Traversal, Element Removal
 Stack


h[1]: 6$
h[9]: 2$
 
/* iterate over values */
for val in listarray(h) do (
  print(val))$
 
/* iterate over the keys */
for key in rest(arrayinfo(h), 2) do (
  val: arrayapply(h, key),
  print(key, val))$