Fix typo in PolymorphicTypes.scala

artnan · web-flow · commit 3ca0f31f0288 · 2019-04-16T15:33:44.000+07:00
diff --git a/src/main/scala/scalatutorial/sections/PolymorphicTypes.scala b/src/main/scala/scalatutorial/sections/PolymorphicTypes.scala
@@ -328,7 +328,7 @@ object PolymorphicTypes extends ScalaTutorialSection {
    * }}}
    *
    * In such a case, intuitively, it makes sense to have `Vet[Mammal] <: Vet[Zebra]` because
-   * a vet that can treat any mammal is able to to treat a zebra in particular. This is
+   * a vet that can treat any mammal is able to treat a zebra in particular. This is
    * an example of a contravariant type.
    *
    * == Variance Checks ==

Original file line number	Diff line number	Diff line change
`@@ -328,7 +328,7 @@ object PolymorphicTypes extends ScalaTutorialSection {`
`328`	`328`	`* }}}`
`329`	`329`	`*`
`330`	`330`	* In such a case, intuitively, it makes sense to have `Vet[Mammal] <: Vet[Zebra]` because
`331`		`- * a vet that can treat any mammal is able to to treat a zebra in particular. This is`
	`331`	`+ * a vet that can treat any mammal is able to treat a zebra in particular. This is`
`332`	`332`	`* an example of a contravariant type.`
`333`	`333`	`*`
`334`	`334`	`* == Variance Checks ==`