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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  expres-
       sion 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)

http://cppreference.com		  2022.07.31		       std::setfill(3)

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