[iOS] Update swift syntax to pass a compilation with Swift 3.2.

airbnb / native-navigation

Native navigation library for React Native applications

http://airbnb.io/native-navigation/

MIT License

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[iOS] Update swift syntax to pass a compilation with Swift 3.2. #153

Closed hotchemi closed 6 years ago

hotchemi commented 6 years ago

Overview

This PR updates swift syntax to 3.2 and allowing a compilation with Swift 3.2/4.0. I'm actually not sure Airbnb is already start using Swift 3.2 or up, but we eventually have to bump the version of Swift so I thought it's not a bad idea to send PR to master repo.

Give your thought if you have time, thx~! 🙇

hotchemi commented 6 years ago

Any update? 👀

hotchemi commented 6 years ago

Let me close the PR for the time being