tests/test_char_is_meths.nit

   1
   2 print 'a'.is_lower
   3 print 'B'.is_lower
   4
   5 print 'a'.is_upper
   6 print 'B'.is_upper
   7
   8 print 'a'.is_letter
   9 print '1'.is_letter
  10
  11 print 'a'.is_digit
  12 print '1'.is_digit
  13