# isRect(_:) Indicates whether or not a graphics path represents a rectangle. ``` func isRect(_ rect: UnsafeMutablePointer?) -> Bool ``` ## Parameters `rect` On input, a pointer to an uninitialized rectangle. If the specified path represents a rectangle, on return contains a copy of the rectangle. ## Return Value A Boolean value that indicates whether the specified path represents a rectangle. If the path represents a rectangle, returns . ## Discussion --- 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)