Is macOS Written in Swift?
Contents

Platforms. The platforms Swift supports are Apple’s operating systems (Darwin, iOS, iPadOS, macOS, tvOS, watchOS), Linux, Windows, and Android. An unofficial port for FreeBSD also exists.

What is macOS written in?

macOS/Языки программирования

What is swift written in?

The Swift compiler is written mostly in C++, and this won’t change in the near future. You can extend the standard library using Swift, but if you want to contribute a new language feature or some optimization, you’ll need to write C++.

Sophia Al-Mansoor

Sophia Al-Mansoor

Global Business & E-Commerce Reporter

Sophia analyzes international trade, startup ecosystems, retail transformation, and supply chain logistics for modern digital publications.

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