It is often said that design patterns are mostly used in statically typed languages like C++ and Java, which I also agree. But in [this article](https://blog.cleancoder.com/uncle-bob/2014/06/30/ALittleAboutPatterns.html) Robert Martin wrote

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> What a strange thing to say. Smalltalk, a dynamic language, played a significant role.
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Since I don't have experience in Smalltalk I would like to ask if patterns like Strategy or Visitor are much used in Smalltalk? I don't think you need them in a "dynamic language"