Satisfy ruby 1.9.3 syntax

lib/active_model/serializer/association.rb

@@ -4,7 +4,7 @@ class Serializer
     #
     # @param [Symbol] name
     # @param [ActiveModel::Serializer] serializer
-    # @param [Hash<Symbol,Object>] options
+    # @param [Hash{Symbol => Object}] options
     #
     # @example
     #  Association.new(:comments, CommentSummarySerializer, embed: :ids)

lib/active_model/serializer/associations.rb

@@ -29,42 +29,39 @@ def inherited(base)
           base._reflections = self._reflections.try(:dup) || []
         end
 
-        # @param [Array<Symbol>] names of the association
-        # @param [Hash<Symbol,Object>] options for given association
+        # @param [Array(Array<Symbol>, Hash{Symbol => Object})] attrs
         # @return [void]
         #
         # @example
         #  has_many :comments, serializer: CommentSummarySerializer
         #  has_many :commits, authors
         #
-        def has_many(*names, **options)
-          associate names do |name|
+        def has_many(*attrs)
+          associate attrs do |name, options|
             HasManyReflection.new(name, options)
           end
         end
 
-        # @param [Array<Symbol>] names of the association
-        # @param [Hash<Symbol,Object>] options for given association
+        # @param [Array(Array<Symbol>, Hash{Symbol => Object})] attrs
         # @return [void]
         #
         # @example
         #  belongs_to :author, serializer: AuthorSerializer
         #
-        def belongs_to(*names, **options)
-          associate names do |name|
+        def belongs_to(*attrs)
+          associate attrs do |name, options|
             BelongsToReflection.new(name, options)
           end
         end
 
-        # @param [Array<Symbol>] names of the association
-        # @param [Hash<Symbol,Object>] options for given association
+        # @param [Array(Array<Symbol>, Hash{Symbol => Object})] attrs
         # @return [void]
         #
         # @example
         #  has_one :author, serializer: AuthorSerializer
         #
-        def has_one(*names, **options)
-          associate names do |name|
+        def has_one(*attrs)
+          associate attrs do |name, options|
             HasOneReflection.new(name, options)
           end
         end
@@ -77,17 +74,19 @@ def has_one(*names, **options)
         #
         # @api private
         #
-        def associate(names)
+        def associate(attrs)
+          options = attrs.extract_options!
+
           self._reflections = _reflections.dup
 
-          names.each do |name|
+          attrs.each do |name|
             unless method_defined?(name)
               define_method name do
                 object.send name
               end
             end
 
-            self._reflections << yield(name)
+            self._reflections << yield(name, options)
           end
         end
       end

lib/active_model/serializer/reflection.rb

@@ -22,7 +22,7 @@ class Serializer
       # build serializer's association by its reflection.
       #
       # @param [Serializer] subject is a parent serializer for given association
-      # @param [Hash<Symbol,Object>] parent_serializer_options
+      # @param [Hash{Symbol => Object}] parent_serializer_options
       #
       # @example
       #    # Given the following serializer defined: