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


with javascript_semantics
setd("one",1)
setd(2,"duo")
setd({3,4},{5,"six"})
 
function visitor(object key, object data, object /*userdata*/)
    ?{key,data}
    return 1    -- (continue traversal)
end function
traverse_dict(routine_id("visitor"))
