How Can I Partially Specialize a Member Function in C ?

Template Partial Specialization of Member Functions

In template programming, partial specialization allows tailoring a class or function for specific parameter values. However, achieving partial specialization for a member function can be challenging.

Underlying Issue

The error encountered with the code snippet is due to an attempt to partially specialize only a member function (Deform) without specializing the entire class. C requires full specialization of the class encompassing the member function to perform partial specialization on a member function.

Solution

To rectify this issue, partial specialization needs to be applied to the entire class. In this case, the revised code would look like:

template<typename T>
class Object<T, 0> {
private:
    T m_t;
    Object();
public:
    Object(T t): m_t(t) {}
    T Get() { return m_t; }
    Object& Deform() {
        std::cout << "Spec\n";
        m_t = -1;
        return *this;
    }
};

By partially specializing the class Object for nValue equal to 0, the customized implementation of Deform can be achieved.

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