lib/grape/formatter/base.rb in grape-0.11.0 vs lib/grape/formatter/base.rb in grape-0.12.0

@@ -16,10 +16,10 @@
 
         def formatter_for(api_format, options = {})
           spec = formatters(options)[api_format]
           case spec
           when nil
-            lambda { |obj, env| obj }
+            ->(obj, _env) { obj }
           when Symbol
             method(spec)
           else
             spec
           end