On 3 March 2018 at 11:36, Greg Ewing <greg.ew...@canterbury.ac.nz> wrote:
> 1. Name bindings local to an expression: > > roots = ([(-b-r)/(2*a), (-b+r)/(2*a)] where r = sqrt(b*b-4*a*c)) > > B. In an expression, surrounded by parentheses for > disambiguation. Bindings are visible only within the > parentheses. > I'll note that a significant benefit of this approach over the PEP 572 approach is that it would be amenable to a comprehension style scope-management solution: these expressions could create an implicitly nested function and immediately call it, just as 3.x comprehensions do. Adopting such an approach would *dramatically* lower the impact that hiding the bindings from the surrounding scope would have on the overall name resolution semantics. Cheers, Nick. -- Nick Coghlan | ncogh...@gmail.com | Brisbane, Australia
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