gistfile1.scala

object SomeHelper {
	implicit def lazyFunc[A,B](f: A=> B): ((=> A) => B) = a => f(a)
}

object MyApp extends App {

	import SomeHelper._

	val m = new SomeFunctor(1)

	val g: (Int) => String = x => sys.error("g raise an error")

	val f: (=> String) => Boolean = x => try { x; true } catch { case e: Throwable => false }
                                                
	m.map(x => f(g(x))).foreach(println)

	m.map(g).map(x => f(x)).foreach(println) 

}

class SomeFunctor[A](a: => A) {
	def map[B](f: (=> A) => B):SomeFunctor[B] = new SomeFunctor(f(a))

	def foreach(f: A => Unit):Unit = f(a)

}