Whether char is signed : numeric_limits « STL Algorithms Helper « C++

1. C++
2. STL Algorithms Helper
3. numeric_limits

Whether char is signed

  
 
/* 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>
#include <string>
using namespace std;

int main()
{
   // use textual representation for bool
   cout << boolalpha;

   // print whether char is signed
   cout << "is_signed(char): "
        << numeric_limits<char>::is_signed << endl;
   cout << endl;
}

 /* 
is_signed(char): true


 */       
    
  

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