Method: InstanceExecModule#instance_exec

Defined in:
lib/postful/instance_exec_module.rb

#instance_exec(*args, &block) ⇒ Object

From Mauricio’s eigenclass.org/hiki/bounded+space+instance_exec



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# File 'lib/postful/instance_exec_module.rb', line 8

def instance_exec(*args, &block)
  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