add parentheses to method definitions with arguments

to keep it uniform with the rest of the repo

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/rack/cascade.rb b/lib/rack/cascade.rb
index d104a4be..c2891e5f 100644
--- a/lib/rack/cascade.rb
+++ b/lib/rack/cascade.rb
@@ -38,12 +38,12 @@ module Rack
       result
     end
 
-    def add app
+    def add(app)
       @has_app[app] = true
       @apps << app
     end
 
-    def include? app
+    def include?(app)
       @has_app.include? app
     end