Set and Unset Format Flags to IO streams
This video tutorial explains how to set format flags to specific io streams in c++ programming.
You will learn what are the format flags available, how to set format flags using setf function to a stream, how to use flags function to set multiple flags to a stream, how to unset flags using unsetf function, which format flags are available from IOS class in detail with examples.
source code for this tutorial
#include <iostream> using namespace std; // formatflags setf(formatsflans flag); int main() { cout.setf(ios :: showpos , ios :: showpoint); cout.unsetf(ios :: showpos); auto flag = ios :: showpos | ios :: showpoint | ios :: showbase; cout.flags(flag); cout << 100.2 <<endl; cout << -65.3 <<endl; cout << 89.8<<endl; return 0; }