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idate.h
Package: c.rar [view]
Upload User: puke2000
Upload Date: 2022-07-25
Package Size: 912k
Code Size: 1k
Category:
CSharp
Development Platform:
Visual C++
- //=====================================
- // idate.h
- //=====================================
- #include<iostream>
- //-------------------------------------
- class IDate{
- protected:
- virtual int ymd2i()const = 0;
- public:
- virtual ~IDate(){}
- virtual IDate& operator+(int n) = 0;
- int operator-(const IDate& d){ return ymd2i() - d.ymd2i(); }
- virtual IDate& operator+=(int n) = 0;
- virtual IDate& operator++() = 0;
- virtual void print(std::ostream& o)const = 0;
- };//-----------------------------------
- IDate& createDate(int y, int m, int d);
- IDate& createDate(int n);
- IDate& createDate(const std::string s);
- //-------------------------------------
- inline std::ostream& operator<<(std::ostream& o, const IDate& d){
- d.print(o); return o;
- }//------------------------------------