Added missing words about contravariant bounding (#104)

Dx724 · web-flow · commit f79e41945d11 · 2020-04-01T09:30:51.000+02:00
diff --git a/src/main/scala/scalatutorial/sections/PolymorphicTypes.scala b/src/main/scala/scalatutorial/sections/PolymorphicTypes.scala
@@ -424,7 +424,7 @@ object PolymorphicTypes extends ScalaTutorialSection {
    * This passes variance checks, because:
    *
    *  - covariant type parameters may appear in lower bounds of method type parameters
-   *  - contravariant type parameters may appear in upper bounds of method
+   *  - contravariant type parameters may appear in upper bounds of method type parameters
    *
    * = Exercise =
    *

Original file line number	Diff line number	Diff line change
`@@ -424,7 +424,7 @@ object PolymorphicTypes extends ScalaTutorialSection {`
`424`	`424`	`* This passes variance checks, because:`
`425`	`425`	`*`
`426`	`426`	`* - covariant type parameters may appear in lower bounds of method type parameters`
`427`		`- * - contravariant type parameters may appear in upper bounds of method`
	`427`	`+ * - contravariant type parameters may appear in upper bounds of method type parameters`
`428`	`428`	`*`
`429`	`429`	`* = Exercise =`
`430`	`430`	`*`