in reply to Re: Convert stack-based code to "conventional" (was Re: Graphing SQLite's VDBE)
in thread Graphing SQLite's VDBE

How about

my ($operand, $prec) =
   map { $_->[0], $_->[1] }
   pop @stack;

[download]

It seems to do what you want.

Cheers,

JohnGG

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In Section Cool Uses for Perl