TensorFlow API 1.10 Swift Sequence protocol Sequence forAll(_:) Returns true if all elements satisfy the predicate. Declaration func forAll(_ predicate: (Element) throws -> Bool) rethrows -> Bool Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated August 16, 2018.