#!/usr/local/bin/gst
Integer extend [
    fizzbuzz [
        | fb |
        fb := '%<Fizz|>1%<Buzz|>2' % {
	    self \\ 3 == 0.
	    self \\ 5 == 0.
	}.
        ^fb isEmpty
	    ifTrue: [ self ]
	    ifFalse: [ fb ]
    ]
]
1 to: 30 do: [ :i | i fizzbuzz displayNl ]