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Builder

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Design Patterns in .NET Core 3
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Abstract

The Builder pattern is concerned with the creation of complicated objects, that is, objects that cannot be built up in a single-line constructor call. These types of objects may themselves be composed of other objects and might involve less-than-obvious logic, necessitating a separate component specifically dedicated to object construction.

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Notes

  1. 1.

    CRTP – the Curiously Recurring Template Pattern – is a popular C++ pattern which looks like this: class Foo<T> : T. In other words, you inherit from a generic parameter, something that’s impossible in C#.

  2. 2.

    For an example, see Tomas Petricek’s snippet for an F#-based HTML-constructing DSL at http://fssnip.net/hf.

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© 2020 Dmitri Nesteruk

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Nesteruk, D. (2020). Builder. In: Design Patterns in .NET Core 3. Apress, Berkeley, CA. https://doi.org/10.1007/978-1-4842-6180-4_3

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