#pragma once

#include<string.h>

namespace hgl
{
    /**
    * 比较处理模板基类
    */
    template<typename T> class Comparator                                                               ///比较处理模板基类
    {
    public:

        /**
        * 比较函数，需被特例化或派生实现. 正确情况下此函数不应该会被调用
        */
        virtual const int compare(const T &other)const=0;

        const bool operator > (const T &i)const{return compare(i)>0;}
        const bool operator < (const T &i)const{return compare(i)<0;}
        const bool operator >=(const T &i)const{return compare(i)>=0;}
        const bool operator <=(const T &i)const{return compare(i)<=0;}
        const bool operator ==(const T &i)const{return compare(i)==0;}
        const bool operator !=(const T &i)const{return compare(i)!=0;}
    };//class Comparator

    template<typename T> class ComparatorData:public Comparator<T>
    {   
    public:

        const int compare(const T &other)const override final
        {
            return memcmp(this,&other,sizeof(T));
        }
    };//class ComparatorData
}//namespace hgl