ymnk

Samples to demonstrate the inline optimization by scala compiler.
  
  $ scalac -Yinline -Ylog:inliner -Ydebug test.scala test2.scala

ymnk

import TheFamily.{Name, parents, children}

object ADatasetAndAQuery {

  class Extractor[A,B]( f: A => Option[B] ) { 
    def unapply( a: A ) = f(a) 
  }
  val Parents = new Extractor(parents.get)
  val Children = new Extractor(children.get)

ymnk

object Bar{

  trait Bar extends Foo {
    override def foo(s: String) = {
      super.foo(s)
      println("Bar: "+s)
    }
  }

  def main(arg: Array[String]) = {

ymnk

$ scala
Welcome to Scala version 2.8.0.final (Java HotSpot(TM) Client VM, Java 1.6.0_16).
Type in expressions to have them evaluated.
Type :help for more information.

scala> def caesarCipher(text:String, n: Int) = {
     |   val l = (' ' to '~').toList
     |   val ll = (l drop n) ::: (l take n)
     |   text map (l compose ll.zipWithIndex.toMap) mkString
     | }

ymnk

object Factorial {
  def fact(n: Int) = (1 to n) product
  def main(args: Array[String]) = {
    val n = if(args.length == 0) 1 else args(0).toInt
    1 to n foreach {i => println(i + "! = " + fact(i))} 
  }
}

ymnk

scalac -Xprint:erasure Test1.scala
scalac -Xprint:erasure Test2.scala
scalac -Xprint:erasure Test3.scala | egrep 'def bar|def b()'

ymnk

/*
 * This source-code is based on 
 * source-code on http://blog.srinivasan.biz/software/if-you-have-to-learn-just-one-programming-language
 * Using foldLeft often simplifies functional codes.
 */
/*
 * Question: Do you want to play this game?
 * You put down some money and roll a die between 1 and 100
 * Depending on your roll:
 *    1-50: I keep your money.

ymnk

object StringDump{
  implicit def enrichString(str: String) = new {
    def dump:String={
      str.getBytes("UTF-8").map{ _.asInstanceOf[Char] match{
        case n @ ('"' | '\\') => "\\" + n
        case n if ' ' <= n && n <= '~' => n
        case n => "\\%03o" format (n&0xff)
      }}.mkString("\"","","\"")
    }
  }

ymnk

/**
Copyright (c) 2010 ymnk, JCraft,Inc. All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

   1. Redistributions of source code must retain the above copyright notice,
      this list of conditions and the following disclaimer.

   2. Redistributions in binary form must reproduce the above copyright

ymnk

/* -*-mode:java; c-basic-offset:2; indent-tabs-mode:nil -*- */
import com.jcraft.jsch.*;
import java.awt.*;
import javax.swing.*;
import java.net.*;

public class StreamForwarding{
  public static void main(String[] arg){
    int port;