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by dmytroi 3701 days ago
It depends, most of important and heavy lifting stuff in Apple platform, aka Core frameworks, are written in C, for example a quote from Core Text documentation [1]:

> Many of the low level libraries in OS X and iOS are written in plain C for speed and simplicity.

And don't forget that OSX/iOS are based on Darwin BSD, where most of heavy lifting is done by programs written in C.

- [1] https://developer.apple.com/library/mac/documentation/String...
1 comments
joewillsher 3701 days ago
Yeah, I still wouldn’t say that c++ is “one of the most widely-used languages for writing native apps” for OS X.

And internally apple use other languages a lot, but frameworks like UIKit, AppKit, and many of the other public frameworks they expose in the SDK are objc, with foundation for example abstracting a lot of CoreFoundation C code.

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