[racket] list of safe/unsafe future primitives

From: Jon Rafkind (rafkind at cs.utah.edu)
Date: Wed Nov 17 15:21:45 EST 2010

Is there a known list of either safe or unsafe futures operations? A
user wanted to know if a certain operation was ok to use in a future
(without having to test it) and I couldn't find a list in the docs.
Could one be made?


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