Charles Childers


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Parable: rso

It's sometimes useful to be able to reverse the contents of the stack. Parable now provides for this via rso.

1 2 3

At this point 3 is on the top of the stack. If we want to discard the 1, we could do something like:

[ nip ] dip

Or, now:

rso drop rso

This becomes more useful when the stack is deeper. Perhaps it'd also be nice to have something like this to do the above (where invoke<rso> reverses the stack before and after execution of the pointer):

&drop invoke<rso>

I'll have to consider this a bit more.