Шаблонные классы

#ifndef PAIR_H_
#define PAIR_H_
#include <iostream>
#include <cstring>
#include <string>
#include <valarray>
template <typename T1, typename T2>
    class Pair
    {
    public:
        Pair(const T1 & y, const T2 & bot);
        ~Pair();
    private:
        T1 year;
        T2 botNum;
    };
 
#endif

#include "Pair.h"
 
 
template<class T1, class T2> 
Pair::Pair(const T1 & y, const T2 & bot) : year(y), botNum(bot)
{
    
}
 
template<class T1, class T2>
Pair::~Pair()
{
 
}

#ifndef WINE_H_
#define WINE_H_
#include "Pair.h"
class Wine
{
public:
    Wine(const char* l="none", int wy=0, const int yr[]=nullptr, const int bot[]=nullptr);
    Wine(const char* l, int wy);
    ~Wine();
    int sum() const;
    std::string & Label() const;
    void GetBottles(int yr) const;
private:
    std::string label;
    Pair<std::valarray<int>, std::valarray<int> > PairArray;
    int wineYear;
};
 
#endif

#include "Wine.h"
 
//!!!!!!!
Wine::Wine(const char* l, int wy, const int yr[], const int bot[]) : label(l), wineYear(wy), Pair(std::valarray<int>, std::valarray<int>)::PairArray(yr, bot)
{
 
}
 
Wine::Wine(const char* l, int wy) : label(l), wineYear(wy)//, Pair(nullptr, nullptr)
{
 
}
 
Wine::~Wine()
{
}

Wine::Wine(const char* l, int wy, const int yr[], size_t yr_size, const int bot[], size_t bot_size) 
    : label(l), wineYear(wy), PairArray(std::valarray<int>(yr, yr_size), std::valarray<int>(bot, bot_size))