Robust flatten for collection?

> Hi there
>
> A question to test your sagacity :)
>
> I'm looking for a method which would flatten a collection, regardless of whether the collection is already flat or not.
>
>
> that is:
> #((1 2 3) (4 5 6)) flatten  --> #(1 2 3 4 5 6)
>
> #(1 2 3 4 5 6) flatten  --> #(1 2 3 4 5 6)
>
> #((1 2 3) 4 5 6) flatten  --> #(1 2 3 4 5 6)
>
>
> Any idea about the best implementation for this?
>
>
> --
> Simon
>
>
>
>
> _______________________________________________
> Pharo-users mailing list
> [hidden email]
> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-users

> that is:
> #((1 2 3) (4 5 6)) flatten  --> #(1 2 3 4 5 6)
>
> #(1 2 3 4 5 6) flatten  --> #(1 2 3 4 5 6)
>
> #((1 2 3) 4 5 6) flatten  --> #(1 2 3 4 5 6)
>
>
> Any idea about the best implementation for this?
>
>
> --
> Simon
>
>
>
>
> _______________________________________________
> Pharo-users mailing list
> [hidden email]
> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-users

> flatCollect: ?
>
> Stef
>
> On Aug 27, 2010, at 2:06 PM, Simon Denier wrote:
>
>> Hi there
>>
>> A question to test your sagacity :)
>>
>> I'm looking for a method which would flatten a collection, regardless of whether the collection is already flat or not.
>>
>>
>> that is:
>> #((1 2 3) (4 5 6)) flatten  --> #(1 2 3 4 5 6)
>>
>> #(1 2 3 4 5 6) flatten  --> #(1 2 3 4 5 6)
>>
>> #((1 2 3) 4 5 6) flatten  --> #(1 2 3 4 5 6)
>>
>>
>> Any idea about the best implementation for this?
>>
>>
>> --
>> Simon
>>
>>
>>
>>
>> _______________________________________________
>> Pharo-users mailing list
>> [hidden email]
>> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-users
>
>
> _______________________________________________
> Pharo-users mailing list
> [hidden email]
> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-users
>

> There is a #gather:
> which takes a collection of collections and answers a single collection.
> (if i remember correctly).
>
> On 27 August 2010 16:10, Stéphane Ducasse <[hidden email]> wrote:
>> flatCollect: ?
>>
>> Stef
>>
>> On Aug 27, 2010, at 2:06 PM, Simon Denier wrote:
>>
>>> Hi there
>>>
>>> A question to test your sagacity :)
>>>
>>> I'm looking for a method which would flatten a collection, regardless of whether the collection is already flat or not.
>>>
>>>
>>> that is:
>>> #((1 2 3) (4 5 6)) flatten  --> #(1 2 3 4 5 6)
>>>
>>> #(1 2 3 4 5 6) flatten  --> #(1 2 3 4 5 6)
>>>
>>> #((1 2 3) 4 5 6) flatten  --> #(1 2 3 4 5 6)
>>>
>>>
>>> Any idea about the best implementation for this?
>>>
>>>
>>> --
>>> Simon
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> Pharo-users mailing list
>>> [hidden email]
>>> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-users
>>
>>
>> _______________________________________________
>> Pharo-users mailing list
>> [hidden email]
>> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-users
>>
>
>
>
> --
> Best regards,
> Igor Stasenko AKA sig.
>
> _______________________________________________
> Pharo-users mailing list
> [hidden email]
> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-users

> yes this is the same as flatCollect: in moose.
>
>
> gather: aBlock
> ^ Array streamContents:
> [:stream |
> self do: [:ea | stream nextPutAll: (aBlock value: ea)]]
>
> On Aug 27, 2010, at 3:13 PM, Igor Stasenko wrote:
>
>> There is a #gather:
>> which takes a collection of collections and answers a single collection.
>> (if i remember correctly).
>>
>> On 27 August 2010 16:10, Stéphane Ducasse <[hidden email]> wrote:
>>> flatCollect: ?
>>>
>>> Stef
>>>
>>> On Aug 27, 2010, at 2:06 PM, Simon Denier wrote:
>>>
>>>> Hi there
>>>>
>>>> A question to test your sagacity :)
>>>>
>>>> I'm looking for a method which would flatten a collection, regardless of whether the collection is already flat or not.
>>>>
>>>>
>>>> that is:
>>>> #((1 2 3) (4 5 6)) flatten  --> #(1 2 3 4 5 6)
>>>>
>>>> #(1 2 3 4 5 6) flatten  --> #(1 2 3 4 5 6)
>>>>
>>>> #((1 2 3) 4 5 6) flatten  --> #(1 2 3 4 5 6)
>>>>
>>>>
>>>> Any idea about the best implementation for this?
>>>>
>>>>
>>>> --
>>>> Simon
>>>>
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> Pharo-users mailing list
>>>> [hidden email]
>>>> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-users
>>>
>>>
>>> _______________________________________________
>>> Pharo-users mailing list
>>> [hidden email]
>>> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-users
>>>
>>
>>
>>
>> --
>> Best regards,
>> Igor Stasenko AKA sig.
>>
>> _______________________________________________
>> Pharo-users mailing list
>> [hidden email]
>> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-users
>
>
> _______________________________________________
> Pharo-users mailing list
> [hidden email]
> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-users