import sc.ala.rubyist.Using._
import java.io.ByteArrayOutputStream
using(new ByteArrayOutputStream) { out =>
  ...
}
// out.close() will be automatically called

import sc.ala.rubyist.Tap._
val props = new java.util.Properties().tap{_.put("port", "80")}
// => java.util.Properties = {port=80}

import sc.ala.rubyist.Times._
3 times { println("ok") }

import sc.ala.rubyist.Rescue._
val num = "1".toInt           // => 1
val num = "x".toInt           // java.lang.NumberFormatException
val num = "x".toInt rescue 0  // => 0

import sc.ala.rubyist.Digest
Digest.MD5.hexdigest("ruby") // => "58e53d1324eef6265fdb97b08ed9aadf"

import sc.ala.rubyist.Pathname
val log = Pathname("log/langs.txt")
log.exists           // => false
log.parent.mkpath
log.write("Ruby\nScala")
log.exists           // => true
log.read()           // => "Ruby\nScala"
log.readlines()      // => List("Ruby", "Scala")

Pathname("hello.txt.sjis", "Shift_JIS").read  // with charset

import sc.ala.rubyist.Hashname
val hash = Hashname("data/users/910.xml")
hash.path         // => "data/users/e/20/5ee/e205ee2a5de471a70c1fd1b46033a75f/910.xml"
hash.write("...") // write given string into above file

import sc.ala.rubyist.CurrentHost
CurrentHost.name     // => moa
CurrentHost.address  // => 192.168.1.5

import sc.ala.rubyist.String._
"abc\n".chomp  // => "abc"

import sc.ala.rubyist.Tempfile
Tempfile("foo"){ tmp:Pathname =>
  tmp.write("hello")
}

import sc.ala.rubyist.NKF
val utf8_text = NKF.nkf("-w", sjis_text)