77 lines
1.1 KiB
C++
77 lines
1.1 KiB
C++
#ifndef DATE_HPP_
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#define DATE_HPP_
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#include <iostream>
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class Date
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{
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private:
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int m_day;
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int m_month;
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int m_year;
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public:
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Date(int day, int month, int year) : m_day(day), m_month(month), m_year(year) {}
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const int& getDay() const
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{
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return m_day;
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}
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const int& getMonth() const
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{
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return m_month;
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}
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const int& getYear() const
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{
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return m_year;
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}
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friend std::ostream& operator<<(std::ostream& os, const Date& d)
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{
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os << d.m_day << '.' << d.m_month << '.' << d.m_year;
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return os;
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}
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};
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template <class T>
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class _ptr
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{
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private:
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T* m_ptr;
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public:
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_ptr(T* ptr = nullptr) : m_ptr(ptr) {}
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~_ptr() { delete m_ptr; }
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_ptr(_ptr& p)
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{
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m_ptr = p.m_ptr;
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p.m_ptr = nullptr;
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}
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_ptr& operator=(_ptr& p)
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{
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if (&p == this)
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return *this;
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delete m_ptr;
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m_ptr = p.m_ptr;
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p.m_ptr = nullptr;
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return *this;
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}
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T& operator*() const { return *m_ptr; }
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T* operator->() const { return m_ptr; }
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bool isNull() const { return m_ptr == nullptr; }
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};
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const _ptr<Date>& compares_dates(const _ptr<Date>&, const _ptr<Date>&);
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void exercise_1();
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void exercise_2();
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#endif
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