activesupport/lib/active_support/core_ext/proc.rb


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class Proc #:nodoc:
  def bind(object)
    block, time = self, Time.now
    (class << object; self end).class_eval do
      method_name = "__bind_#{time.to_i}_#{time.usec}"
      define_method(method_name, &block)
      method = instance_method(method_name)
      remove_method(method_name)
      method
    end.bind(object)
  end
end