[swift-evolution] Availability checking of libraries (weak linking?)

Ben Rimmington me at benrimmington.com
Wed Jan 18 20:07:16 CST 2017

> On 19 Jan 2017, at 00:24, Swizzlr wrote:
> Say I have an awesome type, and I provide some extensions that makes it work really well with a few other packages.
> I don't want to force those packages on my users, but if they have them, I want to extend them with my awesome type/function/whatever convenience.
> What can be done in code and package manager to weakly link (not literally, I just mean have that behaviour) my awesome type with all these other libraries?
> This is a prelude to a pitch, if there isn't a decent alternative.
> Tom


#if canImport(...) should be available in Swift 4, thanks to Robert Widmann.


-- Ben

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