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# Evaluate the block with the given arguments within the context of # this object, so self is set to the method receiver. # # From Mauricio's http://eigenclass.org/hiki/bounded+space+instance_exec def instance_exec(*args, &block) puts 'here' begin old_critical, Thread.critical = Thread.critical, true n = 0 n += 1 while respond_to?(method_name = "__instance_exec#{n}") InstanceExecMethods.module_eval { define_method(method_name, &block) } ensure Thread.critical = old_critical end begin send(method_name, *args) ensure InstanceExecMethods.module_eval { remove_method(method_name) } rescue nil end end

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