[swift-evolution] Unmanaged, and COpaquePointer vs. Unsafe(Mutable)Pointer

[Chris Lattner]

On Dec 8, 2015, at 8:07 PM, Jacob Bandes-Storch via swift-evolution <swift-evolution at swift.org> wrote:
> Proposed: https://github.com/apple/swift-evolution/pull/44 <https://github.com/apple/swift-evolution/pull/44>
A related topic that would be great to discuss for Swift 3: right now nullable C pointers import directly as UnsafePointer, and UnsafePointer are therefore nullable.  While it is true that they are unsafe :-), it would be more true to the Swift model to import them as optional unsafe pointers.

There are tradeoffs on both sides, just something to consider.

-Chris
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