lib/datacaster/predefined.rb in datacaster-0.9.1 vs lib/datacaster/predefined.rb in datacaster-2.0.1

@@ -31,10 +31,11 @@
     end
 
     def array_schema(element_caster)
       ArraySchema.new(element_caster)
     end
+    alias_method :array_of, :array_schema
 
     def hash_schema(fields)
       HashSchema.new(fields)
     end
 
@@ -81,9 +82,13 @@
             end
           end
 
         keys.length == 1 ? result.first : result
       }
+    end
+
+    def merge_message_keys(*keys)
+      MessageKeysMerger.new(keys)
     end
 
     def responds_to(method)
       check('RespondsTo', "must respond to #{method.inspect}") { |x| x.respond_to?(method) }
     end