//  Forcodes.swift  Copyright (c) Kari Laitinen

//  http://www.naturalprogramming.com

//  2014-09-26  File created.
//  2016-08-11  Last modification.

//  This program demonstrates a for-in loop and an if construct
//  inside the loop.

import Foundation 

var number_of_codes_on_this_line  =  0 

print( "\n The visible characters with codes from 20"
    +  "\n to 7F (hexadecimal) are the following:\n\n   ",
       terminator: "" )

for numerical_code in 0x20 ... 0x7F
{
   // The numerical code will be printed both as a character and
   // as a hexadecimal value.

   print( String( format: "%c %X   ", numerical_code,  numerical_code ),
          terminator: "" ) 

   number_of_codes_on_this_line  += 1

   if  number_of_codes_on_this_line  ==  8  
   {
      print( "\n   ", terminator: "" )
      number_of_codes_on_this_line   =  0 
   }
}

print( "\n" )