[lec07] make code compile before solving

src/main/scala/monads/MonadFunctor.scala

+package monads
+import scala.language.higherKinds
+
 trait Monad[F[_]] {
   def unit[A](a: A): F[A]
   def flatMap[A, B](fa: F[A])(f: A => F[B]): F[B]
@@ -8,7 +11,7 @@ trait Functor[F[_]] {
 }
 
 object Functor {
-  def functorFromMonad[F[_]](m: Monad[F]): Functor[F] = new Functor[F] {
-    // your code for map here
+  def functorFromMonad[F[_]](M: Monad[F]): Functor[F] = new Functor[F] {
+    def map[A, B](a: F[A])(f: A => B): F[B] = ???
   }
 }

src/main/scala/monads/MonadId.scala

+package monads
 final case class Id[A](value: A)
 
 object Id {