Are the final #asArray conversions always needed ?
If not, it would be more efficient not to do them every time, no ?
On 14 Mar 2014, at 22:19, Pharo4Stef <pharo4s...@free.fr> wrote:
> something like that
>
> diffs: aCollection
> "Answer the set theoretic differences of two collections. The first
> element of the result is the difference from the perspective of the receiver
> and the second element the difference from the perspective of the argument."
>
> "#(a b c d e f) diffs: #(a b z k) #(#a #b #c #d #e #f)
> { #(#f #d #e #c) . #(#k #z)}
> "
> "{ self difference: aCollection . aCollection difference: self }"
>
> | receiver another |
> receiver := self asSet.
> another := aCollection asSet.
> self do: [ :each |
> (another includes: each)
> ifTrue: [ receiver remove: each.
> another
> remove: each ]].
> ^ { receiver asArray . another asArray}
>
