[swift-dev] switches versus the visitor pattern?

[Slava Pestov]

I’ve seen some switches over TypeKind more easily expressed as a series of if/else if statements also.

However unless you come across an ugly switch that you want to refactor while working on something else, I probably wouldn’t spend time actively seeking them out and changing them. I don’t think switching over the kind is considered a code smell in itself.

Slava

> On Aug 11, 2017, at 2:48 PM, David Zarzycki via swift-dev <swift-dev at swift.org> wrote:
> 
> Hello,
> 
> Before I spend time creating patches, are there arguments against converting exhaustive switch statements to the visitor pattern in the Swift source base? In particular, I’m curious about switches that reason about the TypeKind enum.
> 
> Thanks,
> – Dave
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