# File lib/singleton.rb, line 129
129:     def clone
130:       Singleton.__init__(super)
131:     end

     # File lib/singleton.rb, line 146
146:     def _instantiate?()
147:       while false.equal?(@__instance__)
148:         Thread.critical = false
149:         sleep(0.08)   # timeout
150:         Thread.critical = true
151:       end
152:       @__instance__
153:     end

     # File lib/singleton.rb, line 141
141:     def _load(str) 
142:       instance 
143:     end

     # File lib/singleton.rb, line 136
136:     def inherited(sub_klass)
137:       super
138:       Singleton.__init__(sub_klass)
139:     end