Dear All,
I hope this is not too off-topic.
I am wondering if there is any possibility to make an R code lazy i.e.
to prevent it from calculating quantities which are not used in the code.
As an example: you are in a rush to modify your code and at the end it
ends up with "dead branches", let's say a sequence which is calculated
but not used in any following calculations, not printed on screen, not
stored in a file etc...
It would be nice to teach R to automagically skip its calculation when I
run the script (at least in a non-interactive way).
I know that such a situation is probably the result of bad programming
habits, but it may arise all the same.
If I understand correctly, what I am asking for is something different
from any kind of garbage collection which would take place, if ever,
only after the array has been calculated.
Any suggestions (or clarifications if I am on the wrong track) are
appreciated.
Cheers
Lorenzo
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