simpler syntax

kk3399 · web-flow · commit 6858541bf18b · 2019-11-08T16:29:45.000-06:00
the regular syntax is less confusing to a new user
diff --git a/_tour/mixin-class-composition.md b/_tour/mixin-class-composition.md
@@ -71,7 +71,7 @@ We would like to combine the functionality of `StringIterator` and `RichIterator
 ```tut
 class RichStringIter extends StringIterator("Scala") with RichIterator
 val richStringIter = new RichStringIter
-richStringIter foreach println
+richStringIter.foreach(println)
 ```
 The new class `RichStringIter` has `StringIterator` as a superclass and `RichIterator` as a mixin.
 
