foo.cc: In function 'void Test1()':
foo.cc:54:24: error: cannot bind non-const lvalue reference of type 'Complex&' to an rvalue of type 'Complex'
   54 |  Complex snum(num1+num2+num3);
      |               ~~~~~~~~~^~~~~
foo.cc:11:19: note:   initializing argument 1 of 'Complex::Complex(Complex&)'
   11 |  Complex(Complex &c):real(c.real),image(c.image) { }
      |          ~~~~~~~~~^
foo.cc:55:24: error: cannot bind non-const lvalue reference of type 'Complex&' to an rvalue of type 'Complex'
   55 |  Complex mnum(num1*num2*num3);
      |               ~~~~~~~~~^~~~~
foo.cc:11:19: note:   initializing argument 1 of 'Complex::Complex(Complex&)'
   11 |  Complex(Complex &c):real(c.real),image(c.image) { }
      |          ~~~~~~~~~^

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