peek.cc

资深C++讲师授课代码

#include <iostream>
using namespace std;

int main()
{
	cout << "input some chars:";
	char a, b, c, d;
	a = cin.peek();
	b = cin.peek();
	cout << "a=[" << a << "]" << static_cast<int>(a) << endl;
	cout << "b=[" << b << "]" << static_cast<int>(b) << endl;
	cin.get(c).get(d);
	cout << "c=[" << c << "]" << static_cast<int>(c) << endl;
	cout << "d=[" << d << "]" << static_cast<int>(d) << endl;
}