Better code readability

activerecord/lib/active_record/connection_adapters/connection_specification.rb

@@ -6,7 +6,7 @@ class ConnectionSpecification #:nodoc:
       attr_reader :config, :adapter_method, :id
 
       def initialize(id, config, adapter_method)
-        @config, @adapter_method, @id = config, adapter_method, id
+        @id, @config, @adapter_method = id, config, adapter_method
       end
 
       def initialize_dup(original)

activerecord/lib/active_record/connection_handling.rb

@@ -91,9 +91,7 @@ def connection
       retrieve_connection
     end
 
-    def specification_id=(value)
-      @specification_id = value
-    end
+    attr_writer :specification_id
 
     # Return the specification id from this class otherwise look it up
     # in the parent.