Boolean expressions (was: Re: [squeak-dev] Re: Object>>#is:? (was: Re: PackageDependencyTest))

Stéphane Rollandin lecteur at
Thu Mar 4 21:21:09 UTC 2010

> If you have a lot of protocols you can use the super fast
> primitive supported #pointsTo: and have a lot cleaner (and possibly
> faster) code:
> is: aSymbol
>   	^#(Morph MySpecializedMorph FooMorph BarMorph) pointsTo: aSymbol

wow. thanks for the pointer, I wasn't aware of this one :)


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