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#pragma once
#include <stddef.h>
template <class T>
class const_vector_iterator
{
public:
const_vector_iterator(T* passedVal)
: memPointer{passedVal}
{}
const_vector_iterator(T* passedVal, size_t _push)
: memPointer{passedVal + _push}
{}
const_vector_iterator<T> operator+(int off) const
{
return {memPointer + off};
}
const_vector_iterator<T> operator-(int off) const
{
return {memPointer - off};
}
int operator-(const_vector_iterator<T> other) const
{
return memPointer - other.memPointer;
}
const T* operator->() const noexcept
{
return memPointer;
}
T& operator*() const noexcept
{
return *(memPointer);
}
bool operator==(const const_vector_iterator& it) const
{
return (memPointer == it.memPointer);
}
bool operator!=(const const_vector_iterator& it) const
{
return !(memPointer == it.memPointer);
}
private:
T* memPointer;
};
template <class T>
class vector_iterator
{
public:
vector_iterator(T* passedVal)
: memPointer{passedVal} {};
vector_iterator(T* passedVal, size_t _push)
: memPointer{passedVal + _push} {};
vector_iterator<T>& operator++()
{
memPointer++;
return *this;
}
vector_iterator<T> operator++(int) const
{
vector_iterator it = *this;
++(*this);
return it;
}
vector_iterator<T>& operator--()
{
memPointer--;
return *this;
}
vector_iterator<T> operator--(int) const
{
vector_iterator it = *this;
--(*this);
return it;
}
operator const_vector_iterator<T>() const
{
return const_vector_iterator(memPointer);
}
vector_iterator<T> operator+(int off) const
{
return {memPointer + off};
}
vector_iterator<T> operator-(int off) const
{
return {memPointer - off};
}
T* operator->()
{
return memPointer;
}
const T* operator->() const
{
return memPointer;
}
T& operator*()
{
return *(memPointer);
}
bool operator==(const vector_iterator<T>& it) const
{
return (memPointer == it.memPointer);
}
bool operator!=(const vector_iterator<T>& it) const
{
return !(memPointer == it.memPointer);
}
private:
T* memPointer;
};
template <class T>
class reverse_vector_iterator
{
public:
reverse_vector_iterator(T* passedVal)
: memPointer{passedVal} {};
reverse_vector_iterator(T* passedVal, size_t _push)
: memPointer{passedVal + _push} {};
reverse_vector_iterator<T>& operator++()
{
memPointer--;
return *this;
}
reverse_vector_iterator<T> operator++(int) const
{
reverse_vector_iterator it = *this;
++(*this);
return it;
}
reverse_vector_iterator<T>& operator--()
{
memPointer++;
return *this;
}
reverse_vector_iterator<T> operator--(int) const
{
reverse_vector_iterator it = *this;
--(*this);
return it;
}
reverse_vector_iterator<T> operator+(int off) const
{
return {memPointer - off};
}
reverse_vector_iterator<T> operator-(int off) const
{
return {memPointer + off};
}
T* operator->()
{
return memPointer;
}
const T* operator->() const
{
return memPointer;
}
T& operator*()
{
return *(memPointer);
}
bool operator==(const reverse_vector_iterator<T>& it) const
{
return (memPointer == it.memPointer);
}
bool operator!=(const reverse_vector_iterator<T>& it) const
{
return !(memPointer == it.memPointer);
}
private:
T* memPointer;
};
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