On 23 March 2012 14:47, Leandro Oliveira <lolive...@gmail.com> wrote:
> Thank you for all replies.
>
> Can I say that if you need remove an item you should use a map?
It depends entirely on how you intend to look up your values. If your
lookup is by the entire value, then sets make sense. If it's by only
part of a value, then maps make sense.
eg
(disj #{[1 2 3] [4 5 6] [7 8 9]} [1 2 3])
;=> #{[4 5 6] [7 8 9]}
(dissoc {1 [1 2 3] 4 [4 5 6] 7 [7 8 9]} 1)
;=> {4 [4 5 6] 7 [7 8 9]}
Phil
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