Principles of Developing Applications in Scala

2023/08/16

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Scala, a statically-typed functional programming language, has been on the market for almost 20 years. The article shows that there are a set of principles that are shared among all approaches when it comes to writing Scala code. These principles emerge from three pillars: the language itself, the standard library, and the community.

One of the fundamental principles in Scala is the use of immutable data structures. The article explains that Scala supports immutable data structures on many levels, including constructs in the language and the standard library. Immutable data structures are the default in Scala, and most Scala libraries consume and produce immutable data structures. This approach is different from other platforms like Java, where mutable data structures are more common.

Another important principle in Scala is the use of expressions and values. The article highlights that everything in Scala is an expression, which allows for concise and expressive code. Additionally, Scala supports pattern matching, which is a powerful tool for working with complex data structures.

Overall, the article provides insights into the principles that developers should follow when developing applications in Scala. By understanding these principles, developers can write more efficient and maintainable code.