lib/signal.rb in signal-0.1.1 vs lib/signal.rb in signal-0.2.0

@@ -1,8 +1,8 @@
-require "signal/active_record"
-require "signal/listener"
-require "signal/version"
+require 'signal/active_record'
+require 'signal/listener'
+require 'signal/version'
 
 module Signal
   def on(event, &block)
     listeners << Listener.new(self, __method__, event, &block)
     self
@@ -13,9 +13,14 @@
     self
   end
 
   def after(event, &block)
     listeners << Listener.new(self, __method__, event, &block)
+    self
+  end
+
+  def add_listener(listener)
+    listeners << listener
     self
   end
 
   def emit(event, *args)
     emit_signal(:before, event, *args)