Update Dotty to 0.16.0-RC2

Author: anatoliykmetyuk

README.md

@@ -43,7 +43,7 @@ Any version number that starts with `0.` is automatically recognized as Dotty by
 the `sbt-dotty` plugin, you don't need to set up anything:
 
 ```scala
-scalaVersion := "0.15.0-RC1"
+scalaVersion := "0.16.0-RC2"
 ```
 
 #### Nightly builds

build.sbt

@@ -5,5 +5,5 @@ lazy val root = project
     description := "Example sbt project that compiles using Dotty",
     version := "0.1.0",
 
-    scalaVersion := "0.15.0-RC1"
+    scalaVersion := "0.16.0-RC2"
   )

src/main/scala/EnumTypes.scala

@@ -32,7 +32,7 @@ object EnumTypes {
 
     def calculateEarthWeightOnPlanets(earthWeight: Double) = {
       val mass = earthWeight/Planet.EARTH.surfaceGravity
-      for (p <- Planet.enumValues)
+      for (p <- Planet.values)
         println(s"Your weight on $p is ${p.surfaceWeight(mass)}")
     }
 

src/main/scala/TypeLambdas.scala

@@ -5,7 +5,7 @@ object TypeLambdas {
 
   type T[+X, Y] = Map[Y, X]
 
-  type Tuple = [X] => (X, X)
+  type Tuple = [X] =>> (X, X)
 
   def test: Unit = {