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How to get the value by calling an overloaded conversion operator ()

What is the proper way to call () operator overloaded to return a float

class MyClass {
public:
    operator float () const {
        return m_some_float_value;
    }

private:
    float m_some_float_value       
}

>Solution :

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You want this:

class MyClass {
public:
  operator float() const {
    return m_some_float_value;
  };

private:
  float m_some_float_value = 1.0f;   // initialize with 1.0f for
                                     // demo purposes                                    
};

int main() {
  MyClass c;
  float x = c; // just do the assignment and
               // the float operator will be called

  // now x contains 1.0f
}
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