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

    // Declare an array and check if it is empty.

    void main()
    {
    string[] names(5);
    names[0]="Damien";
    names[1]="Philip";
    names[2]="Percival";
    names[3]="Byron";
    names[4]="Humphrey";
    if(names.is_empty())
    {
    alert("Oh dear!", "The array seems to be empty, despite attempting to fill it.");
    exit();
    }
    alert("Information", "The array is nicely full of data.");
    }