October 2019
Intermediate to advanced
434 pages
11h 54m
English
Content preview from Mastering Kotlin
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The building blocks of a DSL in Kotlin
Now that we have an understanding of what domain-specific languages are in a general sense, let's dive into the building blocks of DSLs in Kotlin. At its core, a Kotlin-based DSL is comprised of functions and function literals with a receiver that can be leveraged to configure and build components via a human-readable, statically typed syntax. Beyond basic functions, we will examine several other features of Kotlin that can enable us to build custom DSLs:
- Top-level and extension functions
- Function types with receivers
- Custom scope annotations
Let's look at each of these in turn.
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