dictionary object
This method is used to determine whether the dictionary is empty. That is to say, contains no entries.
bool is_empty()
Parameters:
None.
Return value:
True if the dictionary is empty, false otherwise.
Remarks:
None.
Example:

    // Declare a dictionary and check if it is empty.

    void main()
    {
    dictionary example;
    example.set("Name", "Damien");
    if(example.is_empty())
    {
    alert("Oh dear!", "The dictionary seems to be empty, despite attempting to feed it with data.");
    exit();
    }
    alert("Information", "The dictionary is nicely full of data.");
    }