Adore the manual protocol witness table example in the QuickCheck chapter of the Functional Swift book: objc.io/books/
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What the blankety blank IS a protocol witness table, already?
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@ameaijou A structure used to represent some kinds of polymorphism (think fancy vtable): which impl do I use to match a given argument?
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I’m staring at it and can’t find it. It’s not called out explicitly in text as such? Could you explain what you meant?
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I… don't know how to link to part of an iBook. Grep for ArbitraryI.