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use base qw(Class::InsideOut); # base class that does the work
# note lack of DESTROY method - all done automagically
print "difference = \$", abs($o->price - $o2->price), "\n";
10 x 10 (100 sq m) @ $1 = $100
15 x 10 (150 sq m) @ $0.85 = $127.5
difference = $27.5
our @EXPORT = qw(yaml_load yaml_dump);
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