gistfile1.scala

/* Quick sketch after reading http://lssn.me/DtP.
   Usage: File("a_file") << "some text"
   Scala needs not the compiler's blessing for sexy. */

import java.io.{FileWriter, Writer}

/* A loaner for writers. */
trait WriterLoaner {
  def write(w: Writer)(op: Writer => Unit) {
    try {
      op(w)
    } finally {
      w.close()
    }
  }
}

class WriteNow(val name: String) extends WriterLoaner {
  /* writer per invocation */
  def writer = new FileWriter(name)
  /* cout anyone? */
  def <<(input: String) {
    write(writer) {
      _.write(input)
    }
  }
}

object File {
  def apply(name: String) = new WriteNow(name)
}