On Sunday 02 September 2007 14:14, Slava Pestov wrote:
> Remember, locals don't mix with >r/r>.
Right, but the macro is a parse time thing and the retainstack values to be
manipulated are a runtime thing. So I thought it would be OK to use a
locals-macro to do the expansion. E.g. let's say I have 4 values on the
retainstack. Doing 3 nrpick should expand to
[ 3 nr> 3 1 - ntuck 3 n>r ]
and the macro expansion shouldn't affect what's on the retainstack at runtime.
Also, as far as locals mixing with retainstack manipulations, I thought it was
OK to use >r and r> in a locals-body as long as what's in between the >r and
r> didn't refer to any local-variables. Did that change? I see that the
documentation says don't mix them at all.
Ed
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