IMO the main thing scala has going for it is Play/Akka…. I keep more and more play mentions at meetups/hacker news/etc. It seems to be gaining traction
On Sun, Feb 16, 2014 at 10:44 PM, Cédric Beust ♔ <[email protected]> wrote: > On Sun, Feb 16, 2014 at 8:57 PM, clay <[email protected]> wrote: > > >> Kotlin is odd in that it is extremely Scala-like and looks like it was >> created as a reaction to a few gripes with Scala such as compilation speed >> and better IDE toolability. >> > To me, Kotlin is much closer to Java than Scala. It’s really the very > definition of an incremental improvement over Java: lambdas, extension > methods, properties, a few things that are quite unique to it, such as > delegated properties (which are very interesting beasts) and syntactic > sugar. > > Ceylon is more in the middle between Java and Scala. It’s a much more > ambitious effort to improve over Java and it’s a language that is not > afraid of redefining the game (and using different keywords in the > process). Its greatest and most innovative contribution to the language > field is its native support for union and intersection types, something > which I am very excited about. From this simple concept flow some very > powerful type properties that solve a lot of the problems that languages > that have to deal with variance and subtyping have never been able to solve > cleanly (I’m including Java, Scala and Kotlin in this generalization). > > For example, in Scala, the type of List(1, "a") is List[Any], while in > Ceylon, it’s a fully typed tuple. Similarly, the most specific common > subtype of List(1) and List("a") is List[Any] in Scala and > List[Int|String] in Ceylon, arguably the best type you can infer. > > Null support flows very naturally from union types as well, so that a > nullable value has the type Foo|Null and it can’t be assigned to a Foountil > you explicitly make sure it’s not of type > Null. > > I’m very much looking forward to the next couple of years, when we start > getting a better idea where the JVM is headed once the fight between Java > 8, Scala, Kotlin and Ceylon start shaking itself out. > -- > Cédric > > -- > You received this message because you are subscribed to the Google Groups > "Java Posse" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/javaposse. > For more options, visit https://groups.google.com/groups/opt_out. > -- You received this message because you are subscribed to the Google Groups "Java Posse" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/javaposse. For more options, visit https://groups.google.com/groups/opt_out.
