[swift-dev] A constraint system / type variable question
devteam.codafi at gmail.com
Sat Sep 23 19:10:49 CDT 2017
> On Sep 23, 2017, at 3:39 PM, David Zarzycki via swift-dev <swift-dev at swift.org> wrote:
> I’m trying to replace the explicit FunctionType returned by visitClosureExpr() in CSGen.cpp with a type variable; and ultimately a disjunction of two FunctionTypes with different ExtInfo flags set (one favored, one not).
I really don’t recommend doing this. Even the current late-binding of a proper function type in closure inference is an artifact of the old function type representation that needs to go away (you’re probably running into parameter inference doing weird things which is a symptom of the larger problem). What does it matter that the two function types have different ExtInfo? What are you trying to do here?
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