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fix a small mistake in one of the tour sections#483

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Merged
SethTisue merged 1 commit into from
Jan 8, 2016
Merged

fix a small mistake in one of the tour sections #483

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2 changes: 1 addition & 1 deletion tutorials/tour/lower-type-bounds.md
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Expand Up@@ -21,7 +21,7 @@ Here is an example where this is useful:
ListNode(elem, this)
}

The program above implements a linked list with a prepend operation. Unfortunately, this type is invariant in the type parameter of class `ListNode`; i.e. type `ListNode[String]` is not a subtype of type `List[Object]`. With the help of [variance annotations](variances.html) we can express such a subtype semantics:
The program above implements a linked list with a prepend operation. Unfortunately, this type is invariant in the type parameter of class `ListNode`; i.e. `ListNode[String]` is not a subtype of `ListNode[Any]`. With the help of [variance annotations](variances.html) we can express such a subtype semantics:

case class ListNode[+T](h: T, t: ListNode[T]){... }

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