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

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

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

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