Why scala people don't like annotation? - Stack Overflow
In general, we don't use annotations because we don't really need them for a lot of things.
The few places I've seen annotations used:
- Extra type systems (e.g. the CPS plugin for delimited continuations or the effect tracking plugin.
- Interfacing with legacy Java interfaces. (scala-mojo-support)
- Enforcing/enabling compiler optimisations, like
@inlineor@tailrec.
In Scala, we don't really need a dependency injection framework, as there's a few ways to do dependency injection that doesn't require an external tool. You can have the DI config separate from core code, but still be written in Scala. See: https://github.com/jsuereth/scala-in-depth-source/blob/master/chapter11/src/main/scala/scalax/config/Test.scala
So the basic answer is, there's nothing wrong with annotations, we just don't need them that often (yet).
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