[plt-scheme] append!?

From: Majorinc, Kazimir (kazimir at chem.pmf.hr)
Date: Sat Oct 20 13:10:08 EDT 2007

(append! x y) results in concatenation of the values of x and y.
But, is it guaranteed that result is stored in x? I've read something
like that in Help Desk, but I'm still not completely without doubt. Do I 
need to write (set! x (append! x y)) or (append! x y) is always enough?

Thank you,
Kazimir Majorinc



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