Yurttas/PL/SL/ruby/F/02/04/v 02.rb

 1#
 2#  Copyright(C) 2008
 3#  All Rights Reserved. Salih Yurttas, ZCubes, BitsOfCode Software Systems, Inc..
 4#
 5#  Permission to use, copy, modify, and distribute this
 6#  software and its documentation for EDUCATIONAL purposes
 7#  and without fee is hereby granted provided that this
 8#  copyright notice appears in all copies.
 9#
10#  date   : June 1, 2008.
11#  author : Salih Yurttas
12#
13#  v_02.rb
14#
15
16A = 8      # A is constant
17print "A = ", A, "\n"
18puts A
19
20print "\n"
21
22A = 16     # v_02.rb:22: warning: already initialized constant A
23print "A = ", A, "\n"
24puts A
25
26print "\n"
27
28S = "Hat"
29puts S
30
31S[0] = "C" # mutable S
32puts S     # puts Cat