admin.rabl in grape-rabl-0.5.0

- old
+ new

@@ -1,6 +1,6 @@
 object @user => :admin
 attributes :name
 
-node :details, :unless => lambda { |n| locals[:details].nil? } do |m|
+node :details, unless: ->(_n) { locals[:details].nil? } do |_m|
   locals[:details]
 end