Andrew Bancroft 4/26/2017

What in the World is an “Escaping Closure” in Swift?

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This article provides a clear explanation of escaping closures in Swift, a concept that arises when a closure passed to a function is executed after the function returns. It defines escaping closures using Apple's documentation, illustrates scenarios such as storing closures in an array for later execution or using them in asynchronous callbacks, and emphasizes the importance of marking such closures with the @escaping keyword to satisfy the Swift compiler. The content is aimed at developers moving from consuming APIs to designing their own, offering practical examples and insights into common pitfalls.

What in the World is an “Escaping Closure” in Swift?

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