Adds more criticism to Singleton pattern.

2016-10-18 14:18:47 +02:00
parent eea8785a22
commit b66e8ecef9
2 changed files with 2 additions and 1 deletions
--- a/singleton/README.md
+++ b/singleton/README.md
@ -40,6 +40,8 @@ Use the Singleton pattern when

 * Violates Single Responsibility Principle (SRP) by controlling their own creation and lifecycle.
 * Encourages using a global shared instance which prevents an object and resources used by this object from being deallocated.     
+* Creates tightly coupled code that is difficult to test.
+* Makes it almost impossible to subclass a Singleton.

 ## Credits