I have the following function that makes use of lazy loading.

foo <- function(x=2*y, y=x/2) cat(x,y)

Now I want to be able to modify it like below:

foo(y=x/3)

Of course, this does not work as the object x is not known. Still I would like to be able to pass a function as an argument that is evaluated using lazy loading.

Can someone help?

Thanks,
Mark
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Mark Heckmann
Dipl. Wirt.-Ing. cand. Psych.
Vorstraße 93 B01
28359 Bremen
Blog: www.markheckmann.de
R-Blog: http://ryouready.wordpress.com

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