MapIterator.key Method
Returns the key from the (key, value) pair that is referred to by the iterator.
Syntax
public anytype key()
Run On
Called
Return Value
Type: anytype
The key value of the map entry that is denoted by the iterator.
Remarks
Use the SetIterator.more method to test whether an element exists before you attempt to retrieve the key value of the map element.
Examples
The following example iterates through a map, and returns a description of all the elements in the map.
static str writeMap (Map m)
{
MapIterator it = new MapIterator(m);
str result;
while (it.more())
{
result += it.key() + '\n' + it.value() + '\n';
it.next();
}
return result;
}