From 8440f61e54dcd60087d5fdd6a0d3fb73934abed0 Mon Sep 17 00:00:00 2001
From: Runar Bjarnason <runar.bjarnason@oncue.com>
Date: Sat, 18 Apr 2015 18:41:56 -0400
Subject: [PATCH] Fixed compilation error in 2.10

---
 answers/src/main/scala/fpinscala/iomonad/Monad.scala   | 2 +-
 exercises/src/main/scala/fpinscala/iomonad/Monad.scala | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/answers/src/main/scala/fpinscala/iomonad/Monad.scala b/answers/src/main/scala/fpinscala/iomonad/Monad.scala
index 1044dc1a9d..613901f678 100644
--- a/answers/src/main/scala/fpinscala/iomonad/Monad.scala
+++ b/answers/src/main/scala/fpinscala/iomonad/Monad.scala
@@ -24,7 +24,7 @@ trait Monad[F[_]] extends Functor[F] {
   def when[A](b: Boolean)(fa: => F[A]): F[Boolean] =
     if (b) as(fa)(true) else unit(false)
   def forever[A,B](a: F[A]): F[B] = {
-    val t: F[B] = a flatMap (_ => t)
+    lazy val t: F[B] = a flatMap (_ => t)
     t
   }
   def while_(a: F[Boolean])(b: F[Unit]): F[Unit] = {
diff --git a/exercises/src/main/scala/fpinscala/iomonad/Monad.scala b/exercises/src/main/scala/fpinscala/iomonad/Monad.scala
index b3fc266198..129c0928a3 100644
--- a/exercises/src/main/scala/fpinscala/iomonad/Monad.scala
+++ b/exercises/src/main/scala/fpinscala/iomonad/Monad.scala
@@ -24,7 +24,7 @@ trait Monad[F[_]] extends Functor[F] {
   def when[A](b: Boolean)(fa: => F[A]): F[Boolean] =
     if (b) as(fa)(true) else unit(false)
   def forever[A,B](a: F[A]): F[B] = {
-    val t: F[B] = a flatMap (_ => t)
+    lazy val t: F[B] = a flatMap (_ => t)
     t
   }
   def while_(a: F[Boolean])(b: F[Unit]): F[Unit] = {