ios manipulators showpos() function in C++
The showpos() method of stream manipulators in C++ is used to set the showpos format flag for the specified str stream. This flag always displays the non negative values along with their + sign.
Syntax:
ios_base& showpos (ios_base& str)
Parameters: This method accepts str as a parameter which is the stream for which the format flag is affected.
Return Value: This method returns the stream str with showpos format flag set.
Example 1:
#include <iostream>
using namespace std;
int main()
{
int a = 10;
int b = 0;
cout << "showpos flag: "
<< showpos
<< a << endl
<< b << endl;
return 0;
}
|
Output:
showpos flag: +10
+0
Example 2:
#include <iostream>
using namespace std;
int main()
{
int a = -10;
cout << "showpos flag: "
<< showpos
<< a << endl;
return 0;
}
|
Output:
showpos flag: -10
Reference: http://www.cplusplus.com/reference/ios/showpos/
Last Updated :
28 Aug, 2019
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