Unary - Binary message
Richard A. O'Keefe
ok at atlas.otago.ac.nz
Fri Oct 26 00:11:03 UTC 2001
Torge Husfeldt <jean-jacques.gelee at gmx.de> wrote:
Your example will balk over the sequence:
c:= Counter new.
c decrementIfPositive.
So it will.
Better write
decrementIfPositive
self value > 0 ifTrue: [value := value - 1].
And yes that is better. In fact, it's what I *meant* to write. Sigh.
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