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** If you are unfamiliar with testing read Test::Tutorial first! **
This is a simple, basic module for checking whether a class is a Singleton. A
Singleton describes an object class that can have only one instance in any
system. An example of a Singleton might be a print spooler or system registry,
or any kind of central dispatcher.
For a description and discussion of the Singleton class, see "Design Patterns",
Gamma et al, Addison-Wesley, 1995, ISBN 0-201-63361-2.
WWW: https://metacpan.org/release/Test-Singleton
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