Swift is now open source. For the latest news, visit the Swift open source blog The boolean Bool type in Swift underlies a lot of primitive functionality, making it an interesting demonstration of how to build a simple type. This post walks through the creation of a new MyBool type designed and implemented to be very similar to the Bool type built into Swift. We hope this walk through the design o
![Boolean - Swift Blog](https://cdn-ak-scissors.b.st-hatena.com/image/square/0b92e394ece7143d4705ba2ab43a2a0bdc63a9f8/height=288;version=1;width=512/https%3A%2F%2Fdeveloper.apple.com%2Fswift%2Fimages%2Fswift-og.png)