# combineExplicit(_:) Merges a sequence of explicit alignment values produced by this instance. ``` func combineExplicit(_ values: S) -> CGFloat? where S : Sequence, S.Element == CGFloat? ``` ## Discussion For most alignment types, this method returns the mean of all non-`nil` values. However, some types use other rules. For example, [`firstTextBaseline`](/documentation/SwiftUI/VerticalAlignment/firstTextBaseline) returns the minimum value, while [`lastTextBaseline`](/documentation/SwiftUI/VerticalAlignment/lastTextBaseline) returns the maximum value. --- 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)