Abstract
The Singleton is the most hated design pattern in the (rather limited) history of design patterns. That said, however, it doesn’t mean you shouldn’t use the Singleton: a toilet brush is not the most pleasant device either, but sometimes it is simply necessary.
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Notes
- 1.
Note that, similar to C#, F#’s default implementation also uses lazy. The only difference is that F# has a somewhat more concise syntax: writing lazy(x + y()) automatically constructs a Lazy<’T> behind the scenes.
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© 2019 Dmitri Nesteruk
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Nesteruk, D. (2019). Singleton. In: Design Patterns in .NET. Apress, Berkeley, CA. https://doi.org/10.1007/978-1-4842-4366-4_6
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DOI: https://doi.org/10.1007/978-1-4842-4366-4_6
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Publisher Name: Apress, Berkeley, CA
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