[swift-evolution] [Draft] Target-specific CChar

[William Dillon]

It does violate the principle of least astonishment, but we should acknowledge that the implementation-specific nature of C's char signedness is making code *less* portable, not more -- because the same code can mean different things on different platforms.  Reflecting the same in Swift makes Swift code less portable, too.

Dmitri
That is a fair point, and I agree for the most part.  However, It is my intent and expectation that the use of CChar would be limited to the margins where C APIs are imported.  Once values become a part of Swift (and used in places outside of the C interface) they should have been cast into a pure Swift type (such as UInt8, Int8, Int, etc).

- Will

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