[swift-evolution] [late pitch] UnsafeBytes proposal

[Brent Royal-Gordon]

> On Aug 12, 2016, at 9:34 PM, Andrew Trick <atrick at apple.com> wrote:
> 
> That matrix is the correct starting point. UnsafeRawBufferPointer would be in the lower right. But it would be nothing more than a raw pointer with length. It wouldn’t be a collection of anything. UnsafeBytes is a powerful abstraction on top of what we just called UnsafeRawBufferPointer. It is a collection of typed elements `UInt8`. 

But how is that different from UnsafeBufferPointer? Put another way, what is it about the UnsafeRawPointer -> UnsafeBytes relationship that isn't true about UnsafePointer -> UnsafeBufferPointer, and that therefore justifies the different name?

-- 
Brent Royal-Gordon
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