[rrd-developers] ROL and ROR for RPN

Steve Shipway s.shipway at auckland.ac.nz
Tue Apr 29 01:52:31 CEST 2014

>IMHO it would be useful to have a look at Postcript stack manipulation

Postscript's ROLL operator looks identical to the proposed ROTATE operator
from the previous post.  ROLL is a better name though.

The COUNT, COPY (being a genericisation of DUP) and INDEX look useful as
well. (But COUNT would need to be renamed as we already have one of those)

Steve Shipway
s.shipway at auckland.ac.nz

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