Under the hood of Futures & Promises in Swift — Swift by Sundell


Asynchronous programming is arguably one of the hardest parts of building most apps. Because of this, many solutions have been invented to try to combat the above problem - basically creating abstractions around asynchronous programming to make it easier to understand and reason about. This article takes a look at one such solution - Futures & Promises - and goes a bit "under the hood" to see how they actually work.


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