Reference Code Standard
Google’s Swift Style Guide , This style guide is based on Apple’s excellent Swift standard library style and also incorporates feedback from usage across multiple Swift projects within Google. It is a living document and the basis upon which the formatter is implemented.
Exceptions to the Standard
Triple slash (///) for documentation comments is not enforced.
Implementing the Standard
Because Swift is a relatively new language it’s easier and less time consuming to enforce formatting in the Git pre-commit hook so that it automatically formats added and modified files, for a working example see this repo .
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