Jonathan Grynspan 5846e8f6a4 Add Equatable and Hashable conformance to GUID. (#84792) ...

On Windows, `GUID` is a currency type and (along with its various
typedefs) is used pervasively Windows offers `IsEqualGUID()` and
`UuidHash()` for comparing and hashing them, respectively, but
`IsEqualGUID()` is a macro in C mode and `UuidHash()` only provides a
16-bit hash. We should provide conformance to these protocols in the
WinSDK overlay to provide equivalent functionality in Swift.

2025-10-10 08:34:34 -04:00

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