Re: [Pharo-project] Notify progress with Announcements instead of Exceptions

May 14, 2012


      Sean P. DeNigris wrote
...
[:barValArg | | barVal return newBarSize |
      barVal := barValArg.
      return := nil.
      ...
      "new fun stuff here"
      barVal == #current  ifTrue: [ return := barSize ].
      barVal == #label ifTrue:[ return := (labels at: slot) contents ].
      barVal == #setMax ifTrue: [ return := maxValue. maxValue := minValue ].
      barVal == #setMin ifTrue: [ return := minValue. minValue := maxValue ].
      barVal == #increment ifTrue: [return := barVal := barSize + 1].
      barVal == #decrement ifTrue: [ return := barVal := barSize - 1].
      (barVal isString and: [barVal isSymbol not]) ifTrue: [
      	(labels at: slot) contents: barVal. 
      	barVal := #refresh].
      barVal == #refresh ifTrue: [self currentWorld displayWorld. return :=
true].	
      ...
return]
I think we should consider this alternate Class implementation. A block with
its own custom method lookup mechanism ;-)

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