Analysis of stack overflow post http://stackoverflow.com/questions/4262241/how-to-return-a-function-in-scala

fib.scala

class wrapper {
  val fib: Stream[Int] =  1 #:: 1 #:: (fib zip fib.tail map Function.tupled(_+_))
}

wrapper.java

import scala.Function.;
import scala.ScalaObject;
import scala.Serializable;
import scala.collection.GenIterable;
import scala.collection.TraversableLike;
import scala.collection.immutable.Stream;
import scala.collection.immutable.Stream.;
import scala.collection.immutable.Stream.ConsWrapper;
import scala.reflect.ScalaSignature;
import scala.runtime.AbstractFunction0;
import scala.runtime.AbstractFunction2.mcIII.sp;
import scala.runtime.BoxesRunTime;

@ScalaSignature(bytes="\006\00152A!\001\002\001\013\t9qO]1qa\026\024(\"A\002\002\017q*W\016\035;z}\r\0011c\001\001\007\035A\021q\001D\007\002\021)\021\021BC\001\005Y\006twMC\001\f\003\021Q\027M^1\n\0055A!AB(cU\026\034G\017\005\002\020%5\t\001CC\001\022\003\025\0318-\0317b\023\t\031\002CA\006TG\006d\027m\0242kK\016$\b\"B\013\001\t\0031\022A\002\037j]&$h\bF\001\030!\tA\002!D\001\003\021\035Q\002A1A\005\002m\t1AZ5c+\005a\002cA\017&Q9\021ad\t\b\003?\tj\021\001\t\006\003C\021\ta\001\020:p_Rt\024\"A\t\n\005\021\002\022a\0029bG.\fw-Z\005\003M\035\022aa\025;sK\006l'B\001\023\021!\ty\021&\003\002+!\t\031\021J\034;\t\r1\002\001\025!\003\035\003\0211\027N\031\021")

public class wrapper
  implements ScalaObject
{
  private final Stream<Object> fib;

  public Stream<Object> fib(){ return this.fib; } 
  public wrapper() { 
    int i = 1; 
    this.fib = Stream..MODULE$.consWrapper(new AbstractFunction0() { 
      public static final long serialVersionUID = 0L;
      public final Stream<Object> apply() { 
        int i = 1; 
        return Stream..MODULE$.consWrapper(new AbstractFunction0() { 
          public static final long serialVersionUID = 0L;
          public final Stream<Object> apply() { 
            return (Stream)(
              (Stream)wrapper..anonfun.1.this.wrapper$$anonfun$$$outer().fib()
              .zip((GenIterable)wrapper..anonfun.1.this.wrapper$$anonfun$$$outer().fib().tail(), Stream..MODULE$.canBuildFrom())
              ).map(Function..MODULE$.tupled(new AbstractFunction2.mcIII.sp() { 
              public static final long serialVersionUID = 0L;
              public final int apply(int paramAnonymous3Int1, int paramAnonymous3Int2) { 
                return apply$mcIII$sp(paramAnonymous3Int1, paramAnonymous3Int2); 
              } 
              public int apply$mcIII$sp(int v1, int v2) { 
                return v1 + v2; 
              }
            }), Stream..MODULE$.canBuildFrom());
          }
        }).$hash$colon$colon(BoxesRunTime.boxToInteger(i)); } 
      public wrapper wrapper$$anonfun$$$outer() { return wrapper.this; }
    }).$hash$colon$colon(BoxesRunTime.boxToInteger(i));
  }
}