#include <iostream>

using namespace std;

int main()
{
	const int i = 9;
	const_cast<int&>(i) = 6; // changing cost value

	int j;
	static_cast<const int&>(j); // casting static to const 
	
	const int* p1 = &i;
	int const* p4 = &i;
	
	cout << p1 << endl;
	*p1++;


	// cout << p1 << endl;
	// 1. When const is on the left of *, data is const
	// 2. If const is on the right of *, pointer is const
	

	// Why use const
	//		a) Guards the value
	//		b) Self documenting
	//		c) Enable the compiler to do more optimization, making the code tighter
	//		d) Const means the variable can be put in ROM; useful for embedded 

	
}