> On 3 Nov 2016, at 20:23, Nevin Brackett-Rozinsky via swift-evolution 
> <[email protected]> wrote:
> 
> This looks like a lot of complexity for very little gain.
> 
> Aside from any implementation concerns, this proposal substantially increases 
> the cognitive load on developers. To figure out what a piece of code means, 
> someone reading it will have to mentally keep track of a “type stack” for 
> every variable. That is the opposite of “clarity at the point of use”.

Very well said. I think this is perhaps the number one complaint I have about 
the proposal.
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