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kotlinlang

Scala 3, early 2020
<http://www.scala-lang.org/blog/2018/04/19/scala-3.html>

Scala 3 Features : <http://dotty.epfl.ch/docs/reference/overview.html>
Like the look of the Intersection and Union Types. Introduction of `enums` &amp; new syntax for lambda types which looks pretty familiar.
Extension Clauses seem to be a form of Mixin or Delegation but not sure.
They are introducing null safety.  Wonder what symbol they will use to indicate that a value may allow nulls.

Seems like they will use the union type `T | Null`

Ok, that makes sense but does that mean you will still need to add explicit `is Null` checks throughout the code or will the methods be applied via `flatMap` if the item is nullable?

The list of features that are being dropped from the language for v3.0 is also interesting (think most/all of these were marked as experimental in v2.12)
```Dropped Features
    DelayedInit
    Macros
    Existential Types
    Type Projection
    Procedure Syntax
    Early Initializers
    Class Shadowing
    Limit 22
    XML literals
    Auto-Application
    Weak Conformance```