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It's interesting to see no iOS example code in Swift.

I know that the Swift adoption rate at Facebook is low for certain reasons, but I was hoping it would go up, or at least be of concern for open sourced projects.

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As someone maintaining Obj-C libraries, I can see why. Usually the Swift examples are 90% the same thing so maintaining both is just a boilerplatey hassle. And really, I expect all competent iOS developers to be able to use an Objective-C API from Swift without even thinking about it, much less require specific examples.

With that said, I do find it useful to write unit tests in Swift, just to see that the Swift API looks as expected. So that’s one way to add examples.

We write our internal demo apps for our iOS framework in Swift for this reason as well.

You can just use a Bridging Header

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