There is an implementation of flatten in Pharo that almost does what you want.
>> #((1 2 3) (4 5 6)) flatten --> #(1 2 3 4 5 6)
ok
>> #(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)
raises error
Alexandre
On 27 Aug 2010, at 08:58, Simon Denier wrote:
>
>
> Begin forwarded message:
>
>> From: Simon Denier <
[hidden email]>
>> Date: 27 août 2010 14:06:42 HAEC
>> To: A friendly place where any question about pharo is welcome <
[hidden email]>
>> Cc: Simon Denier <
[hidden email]>
>> Subject: 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
>>
>>
>>
>
> --
> Simon
>
>
>
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Alexandre Bergel
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