From: SpringFlowers AutumnMoon Date: 2007-09-25T09:14:33+09:00 Subject: object_id 1, 2, 3 Fixnum object_id 0 1 1 3 2 5 -1 -1 -2 -3 so the question is... which objects have the object_id 2, 4, 6, and -2, -4, etc? irb(main):041:0> a = 0 => 0 irb(main):042:0> a.object_id => 1 irb(main):043:0> a = 1 => 1 irb(main):044:0> a.object_id => 3 irb(main):045:0> a = 2 => 2 irb(main):046:0> a.object_id => 5 irb(main):047:0> a = -1 => -1 irb(main):048:0> a.object_id => -1 irb(main):049:0> a = -2 => -2 irb(main):050:0> a.object_id => -3 -- Posted via http://www.ruby-forum.com/.