Demonstrate Function Objects
 ==============================

  line number 26 : calling testFunction with message "function demo"

  line number 30 : calling testFunction with message "function pointer demo"

  line number 34 : calling testFunction with message "function pointer type demo"

  line number 38 : calling testFunction with message "function pointer alias demo"

  line number 42 : calling testFunction with message "functor demo"
    by calling FunctorExample::operator () with argument "additional message"

  line number 48 : calling testFunction with message "lambda demo"
    by calling "main::<lambda_59f79817bc7956e17ef76bde00917d48>::operator ()


  Press any key to continue . . .