C# def brought a lot to the table vs Java but I feel like it has also kind of stagnated and not realized the potential of F#. Scala likewise is very powerful bu

C# def brought a lot to the table vs Java but I feel like it has also kind of stagnated and not realized the potential of F#. Scala likewise is very powerful but def overly complicated and difficult. Kotlin + Arrow hits the sweet spot, at least for me.