denker at iam.unibe.ch
Thu Sep 30 10:57:08 UTC 2004
Am 30.09.2004 um 12:41 schrieb stéphane ducasse:
>> I really like the valueWithPossibleArgs: thingy: It does a
>> double-dispatch on the number of arguments
>> of the block, and just does the right thing. We really should keep it.
> But not like that. Sorry this is really bad
Why? It allows ifNotEmpty: to be compatible to both the old Squeak
version *and* the VisualWorks
version. That is really nice, and should be kept. If we remove that, we
get lots of trouble with e.g. RB
and a big fight over what the "correct" default behaviour should be.
We could add a ifNotEmptyDo: in addition, but I don't see the point.
For ifNotNil: Yes, this too should allow both a 1-arg block and a 0-arg
block. But that needs a compiler change. I looked into that a bit and
gave up after realising how simple
that will be in the new compiler (it's actually already done there).
We should discuss that on Monday.
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