Fixed compilation error in 2.10

dr0pi · Apr 18, 2015 · 8440f61 · 8440f61
1 parent 617b927
commit 8440f61
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git 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
@@ -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] = {