[racket-dev] alarm-evt contract

From: Asumu Takikawa (asumu at ccs.neu.edu)
Date: Mon Jul 29 20:00:03 EDT 2013

Hi all,

Is there any reason for the documented contract on `alarm-evt` to
specify a non-negative real? The function will happily accept negative
inputs and it seems like that's desirable (if for some reason your
computer clock is set to before 1970 for a good reason).


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