README: update provider tutorial

2019-05-12 11:18:43 +02:00
parent 81a529d8dc
commit c80f446b5f
3 changed files with 8 additions and 6 deletions
--- a/src/types/AbstractType.js
+++ b/src/types/AbstractType.js
@@ -101,7 +101,7 @@ export class AbstractType {
   * @private
   */
  _copy () {
-    throw new Error('unimplemented')
+    throw error.methodUnimplemented()
  }

  /**