[racket] interaction between in-cycle and in-value

2012/8/3 Matthew Flatt <mflatt at cs.utah.edu>:
> More precisely, evaluation of the `in-value' call is evaluated once,
> printing a dot and returning a sequence that contains #<void>.

Would it make sense to include an in-effect ?

https://github.com/soegaard/this-and-that/blob/master/heart-beat/in-effect.rkt

-- 
Jens Axel Søgaard