Warning
Deferred is deprecated in favor of Swift Concurrency. For migration hints, see Migrating to Swift Concurrency.
Deferred let you work with values that haven't been determined yet, like an array that's coming later (one day!) from a web service call. It was originally inspired by OCaml's Deferred library.
Deferred is a "futures library", probably like ones you've already heard about. Where Deferred aims to be different is by providing a small, efficient API that's easily adopted in our many consulting projects.
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See Deferred's comprehensive programming guide and documentation at the Deferred Reference.
If you have a question not answered by the guide or the module comments, please open an issue!
Deferred, as an open source project, is free to use and always will be. Big Nerd Ranch offers help for Deferred, Code Audits, and general mobile app design/development services. Email us at sales@bignerdranch.com to get in touch with us for more details.