[swift-evolution] Request to add middle dot (U+00B7) as operator character?

[Chris Lattner]

> On Dec 17, 2015, at 4:15 PM, Greg Parker via swift-evolution <swift-evolution at swift.org> wrote:
> 
> 
>> On Dec 17, 2015, at 12:14 PM, Ethan Tira-Thompson via swift-evolution <swift-evolution at swift.org <mailto:swift-evolution at swift.org>> wrote:
>> 
>> I wanted to use ‘·’ as a dot-product operator, but it’s not currently defined as an operator character. (rdar://problem/23930008 <rdar://problem/23930008> suggested I come here for comment.)
>> 
>> Note that dot operator (⋅, U+22C5) is already available for operators and semantically appropriate, but Mac users can conveniently type option-shift-9 to get the middle dot which is a nice feature and consequently it’s more well-known.  FWIW, we have U+00B6 (¶) already defined as an operator, this would extend its range by one.
> 
> IHNTA, IJWTS "🐶 is an identifier but ⚽︎ is an operator, according to Swift's current rules.”

I’m not sure what the initialisicms stand for, but any proposal that breaks:

	let 🐶🐮 = "moof"

will not be tolerated.  :-) :-)

-Chris

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