Add default empty params for Hold#initialize

The params argument to Hold#initialize now has a default value

1 files changed, 1 insertions, 1 deletions

diff --git a/state.rb b/state.rb
index 1381480..f9bfecb 100644
--- a/state.rb
+++ b/state.rb
@@ -242,7 +242,7 @@ class Hold
 	attr :params # Parameters of this hold
 
 	# +params+ should be a hash of parameters.
-	def initialize(params)
+	def initialize(params = {})
 		raise NoMethodError if self.class == Hold
 		raise TypeError unless params.is_a? Hash
 		@params = params