This is Swift, where Type? is syntax sugar for Optional<Type>. Swift's Optional ... | Hacker News

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		_rend 4 months ago \| parent \| context \| favorite \| on: Odin: Moving Towards a New "core:OS" This is Swift, where Type? is syntax sugar for Optional<Type>. Swift's Optional is a standard sum type, with a lot of syntax sugar and compiler niceties to make common cases easier and nicer to work with.

_flux 4 months ago [–]

Right, so it's not like a union type Type | Null. Then naturally it works the same way as in the languages I listed.

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