Scala Language Best Practices Keep it simple

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Do not overcomplicate simple tasks. Most of the time you will need only:

  • algebraic datatypes
  • structural recursion
  • monad-like api (map, flatMap, fold)

There is plenty of complicated stuff in Scala, such as:

  • Cake pattern or Reader Monad for Dependency Injection.
  • Passing arbitrary values as implicit arguments.

These things are not clear for newcomers: avoid using them before you understand them. Using advanced concepts without a real need obfuscates the code, making it less maintainable.

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