Closeable.scala

import java.sql.Connection

trait Closeable[T]{ 
	def close(t:T)
}

object Closeable{
	implicit val connectionCloseable= new Closeable[Connection]{
		override def close(c:Connection){ c.close() }
	}
}



object Arm{
	def withResource[T](resource: T)( f:T=>Unit ){
		f(resource)
		implicitly(Closeable[T]).close(resource)
	}
}