RosettaCodeData/Task/Stack/E/stack-1.e

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? def l := [].diverge()
# value: [].diverge()
? l.push(1)
? l.push(2)
? l
# value: [1, 2].diverge()
? l.pop()
# value: 2
? l.size().aboveZero()
# value: true
? l.last()
# value: 1
? l.pop()
# value: 1
? l.size().aboveZero()
# value: false