# LazyFilterSequence A sequence whose elements consist of the elements of some base sequence that also satisfy a given predicate. ``` @frozen struct LazyFilterSequence where Base : Sequence ``` ## Overview> Note: `s.lazy.filter { ... }`, for an arbitrary sequence `s`, > is a `LazyFilterSequence`. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)