Klaus D. Witzel a écrit :
> Thank you Mathieu and Phillipe for you pointers and example.
> 
> Just out of curiosity (and as input for writing accurate yes/no test
> cases :) let me ask what is expected by the community (apologies if this
> sounds like a silly question ;-) when is a closure a real one:
> 
> 1] after #fixTemps (or equivalent)

no
> 
> 2] after #blockCopy: (is this equivalent to 1?)

no and it's not equivalent to 1. In fact blockCopy create a BlockContext.
And a BlockContext is not a closure, it's more like MethodContext. See:
http://users.ipa.net/~dwighth/smalltalk/bluebook/bluebook_chapter27.html#Contexts27

> 
> 3] after #createBlock: (is this equivalent to 1? to 2?)

Yes and in a way it can be equivalent to 1 plus 2.

> 
> 4] <put: your requirements: or thoughts: here>
> 
> Thank you for your time!
> 
> /Klaus
>