``````#!/usr/bin/perl -w

use Quantum::Entanglement qw(:DEFAULT);

# list of possible input values for our computationally slow function:

my @inputsA = (1,1,1,2,1,3,1,4,1,5,1,6,1,7,1,8,1,9,1,10);
my @inputsB = (1,1,1,2,1,3,1,4,1,5,1,6,1,7,1,8,1,9,1,10);

# make a superposition of these (we don't need to worry about probs here...)

my \$inputsA = entangle( @inputsA );
my \$inputsB = entangle( @inputsB );

# calculate our nasty function, save the entangled answer
# this should have many steps and be nasty, but that'll take too long

my \$answer = \$inputsA * \$inputsB;

# store the global state space

my \$state = save_state(\$inputsA, \$inputsB, \$answer);

# set up "conform" mode
\$Quantum::Entanglement::conform = 1;

print "Enter two numbers between 1 and 10 to multiply\n";
while (<>) {
last unless /(\d+)[^\d]*(\d+)/;
1 if \$inputsA == \$1; # yes, really ==, just in void context
1 if \$inputsB == \$2;
print "\n\$1 * \$2 = \$answer\n";
(\$inputsA, \$inputsB, \$answer) = \$state->restore_state; # again!
}
``````