Merge pull request #496 from Nitrokey/spsc-view-dedup

Queue: implement QueueView on top of #486

Author: Dirbaio

CHANGELOG.md

@@ -31,6 +31,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Added `LinearMapView`, the `!Sized` version of `LinearMap`.
 - Added `HistoryBufferView`, the `!Sized` version of `HistoryBuffer`.
 - Added `DequeView`, the `!Sized` version of `Deque`.
+- Added `QueueView`, the `!Sized` version of `Queue`.
 
 ### Changed