[Newbies] Re: Recap: How to empty a collection

[nicolas cellier]

Klaus D. Witzel a écrit :
> On Wed, 20 Feb 2008 02:01:49 +0100, nicolas cellier wrote:
>
>> Some proposed an alternative based on (self removeAll: self), and 
>> started writing optimized versions of #removeAll:.
> 
> No, (anOrderedCollection removeAll: anOrderedCollection) was not 
> optimized. It had a *very* long known bug, which was fixed. Please do 
> less mixing of subjects in threads.
> 

OK, I'm extrapolating.
In this case, while you are at it:

	| aSet |
	aSet :='Klaus' asSet.
	aSet removeAll: aSet.
	aSet
	
	| aHeap |
	aHeap := Heap withAll: 'Witzel'.
	aHeap removeAll: aHeap.
	aHeap

I would have used my name, but it seems i am removeable ;-)
	| aSet |
	aSet :='Cellier' asSet.
	aSet removeAll: aSet.
	aSet

Try with the collection of your choice.

In the mean time, don't use (self removeAll: self)...
Yes i'm mixing threads,should be How to NOT empty a collection ;-)

Nicolas

>> I think our biggest problem is that we have plenty possible ways to do 
>> it... Finding a balance between genericity and efficiency...
> 
> No, more correctness at the price of less efficiency :)
> 
>> Nicolas

Agree on this one.
Then allow removeAllSuchThat: as default implementation.

Nicolas