> On Dec 5, 2017, at 7:06 AM, Tino Heth via swift-evolution 
> <swift-evolution@swift.org> wrote:
> Also, I don’t think anything can prevent all abuses (it’s an subjective 
> classification anyways) — people might just use PyVals because dynamic 
> behavior, and that would imho be a huge abuse.

Can you give an example of how someone would use such a PyVal to do something 
other than interoperate with Python? I’m having trouble imagining what your 
concern is. 

Specifically in the case of PyVal, I imagine it would already be hard-coded to 
call into Python for any dynamic lookup, so I don’t see how one could use “just 
use PyVal because dynamic behavior”. Are you saying that someone would just 
write all their code in a Python library, and then call into it from Swift?


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