Mega Code Archive
Ignore
<![CDATA[
/* The following code example is taken from the book
* "The C++ Standard Library - A Tutorial and Reference"
* by Nicolai M. Josuttis, Addison-Wesley, 1999
*
* (C) Copyright Nicolai M. Josuttis 1999.
* Permission to copy, use, modify, sell and distribute this software
* is granted provided this copyright notice appears in all copies.
* This software is provided "as is" without express or implied
* warranty, and with no claim as to its suitability for any purpose.
*/
#include <iostream>
#include <limits>
// Ignore: manipulator that ignores N lines
class Ignore {
public:
int num;
Ignore(int n) : num(n) {
}
};
// convenience function
Ignore ignore(int n)
{
return Ignore(n);
}
std::istream& operator >> (std::istream& strm, const Ignore& manip)
{
for (int i=0; i<manip.num; ++i) {
strm.ignore(std::numeric_limits<int>::max(),'\n');
}
return strm;
}
int main()
{
char c;
std::cout << "ignore two lines and print frist character following them\n";
std::cin >> ignore(2) >> c;
std::cout << "c: " << c << std::endl;
}
ignore two lines and print frist character following them
a
v
a
c: a
]]>