#!/usr/bin/perl -w
use strict;
my %op_code= (
'||' => sub { $_[0] || $_[1] },
'&&' => sub { $_[0] && $_[1] },
);
sub proc {
my $op_tree = shift;
return $op_tree if ! ref($op_tree);
warn "EXPR @$op_tree";
return $op_code{$op_tree->[1]}->(
map proc($_), @{$op_tree}[0,2] );
}
my $sched1 = [ 1, '||', 0 ];
my $sched2 = [ 1, '&&', 0 ];
my $sched3 = [ $sched1, '&&', 1 ];
my $sched4 = [ $sched1, '&&', $sched2 ];
warn proc $sched1;
warn proc $sched2;
warn proc $sched3;
warn proc $sched4;
-
tye
(but my friends call me "Tye")
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