Why doesn't scalac (the Scala compiler) optimize tail recursion? Code and compiler invocations that demonstrates this: > cat foo.scala class Foo { def ifak(n: Int, acc: Int):Int = { if (n == 1) acc else ifak(n-1, n*acc) } } > scalac foo.scala > jd-gui Foo.class import scala.ScalaObject; public class Foo implements S...
I've been converting some code from java to scala lately trying to teach myself the language. Suppose we have this scala class: class Person() { var name:String = "joebob" } Now I want to access it from java so I can't use dot-notation like I would if I was in scala. So I can get my var's contents by issuing: person = Person.new(...
I'm trying to use the java jcommander library from Scala. The java JCommander class has multiple constructors: public JCommander(Object object) public JCommander(Object object, ResourceBundle bundle, String... args) public JCommander(Object object, String... args) I want to to call the first constructor that takes no var...
FSC recompiles my .scala files every time even there is no need - I can compile it twice without editing anything between attempts and it recompiles them! For example, I have 2 files Hello.scala class Hello{ print("hello") } And Tokens.scala: abstract class Token(val str: String, val start: Int, val end: Int) {override def toSt...