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List Info
Thread: Case-sensitive behavior of clone?
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| Case-sensitive behavior of clone? |
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2006-05-23 06:48:01 |
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> An identifier beginning with a capital character and immediately
> following it is an assignment operator (:=) is transformed into the
> message "setSlotWithType" which acts just like setSlot but also
> sets the type slot on the object before returning it. It is more a
> way of avoiding having to write out an explicit type slot. This is
> infact, the most common way identifiers are named. Capitalized
> camel case names are for protos, lower case identifiers for others.
Ahh- that's what I read- though I am fairly sure the proto VS
instance capitalization was represented as just a stylistic
convention, and not an actual behavior-differentiating syntax.
> If you do not wish a type slot to be set on an identifier you want
> capitalized, just do this:
>;
> A := Object clone do(removeSlot("type"))
>
>; or
>
> setSlot("A", Object clone)
>
> This will remove the type slot, and return that very same object
> (that is the behaviour of do()). As I say though, the times you'd ;
> want no type slot with a capitalized identifier are much less than
> those when you would.
I suppose I will now have to go read exactly what the "type" slot is
for- and why I would want one or not.
In my mind, I saw no need for a "type" slot- an object's type able to
be inferred by it's protos.
-SS
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