Web Reference: Jan 28, 2010 · A singleton is a class which only allows one instance of itself to be created - and gives simple, easy access to said instance. The singleton premise is a pattern across software development. There is a C# implementation "Implementing the Singleton Pattern in C#" covering most of what you need to know - including some good advice regarding thread safety. To be honest, It's very rare that you ... One example is if the constructor of the singleton allocates memory from the heap and you wish that allocation to be predictable, for instance in an embedded system or other tightly controlled environment. I prefer, when the Singleton pattern is the best pattern to use, to create the instance as a static member of the class. Sep 16, 2008 · This is useful when your singleton needs to inherit from a superclass. You cannot use the enum singleton pattern in this case, since enums cannot have a superclass (they can implement interfaces, though).
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