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std::setfill(3) C++ Standard Libary std::setfill(3)

NAME

std::setfill - std::setfill

Synopsis


Defined in header <iomanip>
template< class CharT >
/*unspecified*/ setfill( CharT c );


When used in an expression out << setfill(c) sets the fill character of the stream
out to c.

Parameters


c - new value for the fill character

Return value


Returns an object of unspecified type such that if out is the name of an output
stream of type std::basic_ostream<CharT, Traits>, then the expression out <<
setfill(n) behaves as if the following code was executed:


out.fill(n);

Notes


The current fill character may be obtained with std::ostream::fill.

Example

// Run this code


#include <iostream>
#include <iomanip>
int main()
{
std::cout << "default fill: [" << std::setw(10) << 42 << "]\n"
<< "setfill('*'): [" << std::setfill('*')
<< std::setw(10) << 42 << "]\n";
}

Output:


default fill: [ 42]
setfill('*'): [********42]

See also


fill manages the fill character
(public member function of std::basic_ios<CharT,Traits>)
internal sets the placement of fill characters
left (function)
right
setw changes the width of the next input/output field
(function)

2022.07.31 http://cppreference.com