lib/microevent.rb in microevent-1.0.2 vs lib/microevent.rb in microevent-1.1.0

@@ -1,18 +1,16 @@
 module MicroEvent
-  VERSION = "1.0.2".freeze
+  VERSION = "1.1.0".freeze
 
   def bind(event, &fn)
     @_ ||= Hash.new{ |h,k| h[k] = [] }
     fn ? @_[event] << fn : raise(ArgumentError, "no block given")
   end
 
   def unbind(event, &fn)
-    @_ ||= Hash.new{ |h,k| h[k] = [] }
-    fn ? @_[event].delete(fn) : @_.delete(event) || []
+    fn ? @_ && @_[event].delete(fn) : @_ && @_.delete(event) || []
   end
 
   def trigger(event, *args)
-    @_ ||= Hash.new{ |h,k| h[k] = [] }
-    !@_[event].dup.each{ |fn| instance_exec(*args, &fn) }.empty?
+    !!@_ && !@_[event].dup.each{ |fn| instance_exec(*args, &fn) }.empty?
   end
 end