function(get_fizzbuzz in out)

  math(EXPR off3 "${in} % 3")
  math(EXPR off5 "${in} % 5")
  if(NOT off3 AND NOT off5)
    set(${out} FizzBuzz PARENT_SCOPE)
  elseif(NOT off3)
    set(${out} Fizz PARENT_SCOPE)
  elseif(NOT off5)
    set(${out} Buzz PARENT_SCOPE)
  else()
    set(${out} ${in} PARENT_SCOPE)
  endif()

endfunction()


function(fizzbuzz)
  foreach(i RANGE 1 100)
    get_fizzbuzz(${i} msg)
    message("${msg}")
  endforeach(i)
endfunction()


if(CMAKE_SCRIPT_MODE_FILE STREQUAL CMAKE_CURRENT_LIST_FILE)
  fizzbuzz()
endif()