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# Operator overloading example
require 'example'
include Example
a = Complex.new(2, 3)
b = Complex.new(-5, 10)
puts "a = #{a}"
puts "b = #{b}"
c = a + b
puts "c = #{c}"
puts "a*b = #{a*b}"
puts "a-c = #{a-c}"
# This should invoke Complex's copy constructor
e = Complex.new(a-c)
e = a - c
puts "e = #{e}"
# Big expression
f = ((a+b)*(c+b*e)) + (-a)
puts "f = #{f}"
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