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A comment on Immutable Data Collections for Javascript. Parent comment

Re:Immutable Data Collections for Javascript by rojoca on Wednesday July 30, 2014 @02:33PM (#8110100)
If you watch the linked video above you will see how clever persistent data structures mean that nothing is ever cloned or copied.
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Re:Immutable Data Collections for Javascript by bsimpson on Wednesday July 30, 2014 @07:36PM (#8111610)
Good to know. I never got into immutable collections because I presumed they would result in things being allocated all the time (and that that would be expensive).
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