When Option is not good enough


In an article published on his personal blog, Daniel Westheide explains why overloading the semantics of Scala’s Option type can lead to confusion and why introducing custom algebraic data types leads to code that is easier to read, less error-prone and closer to the language of the domain.

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Daniel Westheide is a senior consultant at innoQ Deutschland GmbH and has been developing server applications on the JVM for 7 years. He is particularly interested in functional programming and distributed systems and published the e-book “The Neophyte’s Guide to Scala”.

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