Kotlin DSL Mastery: Techniques, Patterns & Implementation

2023/08/19

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The article discusses the concept of Domain Specific Languages (DSLs) and how Kotlin is an optimal choice for constructing internal DSLs. It explains that while a General Purpose Language (GPL) can be used to create any program, a DSL is a programming language of limited expressiveness focused on a particular domain. DSLs have fluency and code that is closer to a real language. The article also distinguishes between external and internal DSLs, with internal DSLs being written in the same language as the host language. The author highlights Kotlin's succinct syntax, robust type system, and extension function support as factors that make it suitable for constructing internal DSLs. They provide techniques, patterns, and implementation examples for creating DSLs in Kotlin. This article is relevant for developers who want to explore the power of DSLs and leverage Kotlin's features for building expressive and maintainable code.