[plt-scheme] mreverse!

From: David Van Horn (dvanhorn at ccs.neu.edu)
Date: Sat Jan 24 16:23:49 EST 2009

praimon wrote:
> Okay, so I definitely don't understand the point of mreverse!

(mreverse ls) creates as many cons cells as are in ls.
(mreverse! ls) creates no cons cells.

David


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