[SE-0494] add new concrete types for review #2986

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vanvoorden wants to merge 1 commit into swiftlang:main from vanvoorden:add-is-identical-methods-updates

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vanvoorden commented Oct 7, 2025

https://forums.swift.org/t/se-0494-add-isidentical-to-methods-for-quick-comparisons-to-concrete-types/82296/142

Adding new concrete types based on LSG feedback:

UnsafeBufferPointer
UnsafeMutableBufferPointer
UnsafeMutableRawBufferPointer
UnsafeRawBufferPointer
UTF8Span


          add is identical methods updates

837750e

Contributor Author

vanvoorden commented Oct 7, 2025

@lorentey Did these look correct to you?

Contributor Author

vanvoorden commented Oct 9, 2025

@rjmccall BTW… did LSG accept these new types on the condition we carry over the explicit semantic guarantees from the existing types?

self is always identical to self
A copy is always an identical representation
etc…

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