扩展方法 - 装饰模式 [英] Extension Methods - Decorator Pattern

问题描述

我想知道我们是否可以将扩展方法作为C＃中的装饰器模式的实现来考虑？因为目标是一样的，但实施的逻辑和概念可能会有所不同？

谢谢！

解决方案

装饰器模式通常与添加相关联一种类型的特定实例的行为与其他实例无关。在扩展方法的情况下，它会影响在同一范围内编译的类型的所有实例。我认为它不是装饰图案的一部分。

I was wondering if we can consider extension methods as an implementation of the decorator pattern in C#? as the aim is the same but logic of implementation as well as the conception may differ?

Thanks!

解决方案

The decorator pattern is usually associated with adding behavior to particular instances of a type independently of other instances. In the case of an extension method it affects all instances of a type which are compiled in the same scope. I'd argue that it's not a part of the decorator pattern.

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