On Sat, 5 Dec 2009, Igor Stasenko wrote:
I currently writing a code which looks like:
a := some numeric expression + (someBoolean ifTrue: [1] ifFalse: [0]).
And i get somewhat tired repeating the same pattern in multiple places. So, i thinking , maybe #asBit convenience method could be useful?
It's useful IMO, so I use it whenever I need it. It's in the image with 7/1/2004 timestamp. Levente
True>>asBit ^ 1 False>>asBit ^ 0
so, then, in case of need like above, we could write much shorter expressions: a := some numeric expression + someBoolean asBit.
And its much less error prone comparing to #ifTrue:ifFalse:, since i found its relatively easy to make a mess (swapping 1 with 0), especially, when you having negations in expression, because once you see:
(someBoolean not ifTrue: [1] ifFalse: [0])
you always tempted to write it as:
(someBoolean ifTrue: [0] ifFalse: [1]).
or as:
(someBoolean ifFalse: [1] ifTrue: [0]).
but once you start playing with it, its very easy to shoot into own feet if you are not careful.
But if we could add #asBit, then we could write:
someBoolean not asBit
which is much more: a) concise & cleaner b) error proof
-- Best regards, Igor Stasenko AKA sig.
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