[swift-evolution] [Pitch] Support for pure functions. Part n + 1.

David Sweeris davesweeris at mac.com
Mon Feb 20 00:19:16 CST 2017

> On Feb 19, 2017, at 21:19, Xiaodi Wu <xiaodi.wu at gmail.com> wrote:
> This is very, very interesting. Thank you so much for the text.
> If I understand your take correctly, the benefits of `pure` in Swift would be contingent on how pervasively it can be used (as it's the composability of pure functions that gives it exponential value). And, based on your discussion, very few functions in Swift would be compiler-provably pure [...]

I think this might, at least partly, be because we can't restrict generic parameters to be value types.

- Dave Sweeris 
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