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It actually leaves both its arguments unaltered and creates a new list. There's another function called nconc which does concatenate them, changing its first
by DonaldFisk 4y ago
It actually leaves both its arguments unaltered and creates a new list. There's another function called nconc which does concatenate them, changing its first argument to the new list (unless its first argument is NIL).
- aidenn0 4y agoNote that append does not copy the last argument, so there is structure sharing when you use it.