Style fixes

Author: ffloyd

lib/grape/dsl/parameters.rb

@@ -191,8 +191,7 @@ def params(params)
         params = @parent.params(params) if @parent
         if @element
           params = if params.is_a?(Array)
-                     # we can get nested arrays as result
-                     # it used for calculating parent array indicies for error messages
+                     # used for calculating parent array indices for error messages
                      params.map { |el| el[@element] || {} }
                    elsif params.is_a?(Hash)
                      params[@element] || {}

lib/grape/validations/validators/base.rb

@@ -34,18 +34,18 @@ def validate(request)
       # @raise [Grape::Exceptions::Validation] if validation failed
       # @return [void]
       def validate!(params)
-        attributes    = AttributesIterator.new(self, @scope, params)
-        array_errors  = []
+        attributes = AttributesIterator.new(self, @scope, params)
+        array_errors = []
         attributes.each do |resource_params, attr_name, inside_array|
           next unless @required || (resource_params.respond_to?(:key?) && resource_params.key?(attr_name))
 
           begin
             validate_param!(attr_name, resource_params)
-          rescue Grape::Exceptions::Validation => error
+          rescue Grape::Exceptions::Validation => e
             raise error unless inside_array
             # we collect errors inside array because
             # there may be more than one error per field
-            array_errors << error
+            array_errors << e
           end
         end