> On Jun 27, 2016, at 8:30 AM, Daniel Dunbar via swift-users
> <swift-users@swift.org> wrote:
>
> No, this is not possible. All of the code in a single process needs to be
> compiled with the same version of Swift.
How long will this be the case? The product I work on is distributed primarily
as a compiled framework. If we port any of it to Swift we’d first need some
assurance of binary compatibility.
(Also, if you really mean all of the code in a process, that implies that Apple
can’t implement any system frameworks in Swift. So it seems that this question
ties in with the earlier one of “how long do we have to copy multi-megabyte
compatibility shim libraries into our apps that use Swift?”)
((At the risk of sounding flamey: this sort of confirms my rule of thumb that
Swift version numbers have their decimal points misplaced. IMHO, ABI stability
is a requirement for a true 1.0 release of a language that has dynamic
loading.))
—Jens
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