#ifndef EXAMPLE20_C_H
#define EXAMPLE20_C_H

#include <cstring>

// primary template
template < typename T >
class C {
public:
    bool less (const T& v1, const T& v2) {
        return v1<v2;
    }
};

// explicit template specialization
template<>
class C<const char*> {
public:
    bool less (const char* v1, const char* v2) {
        return strcmp(v1,v2)<0;
    }
};

// partial specialization
template< typename T >
class C<T*> {
public:
    bool less (T* v1, T* v2) {
        return *v1 < *v2; }
};

#endif //EXAMPLE20_C_H