[swift-evolution] [Proposal] Eliminating Swift's Screaming Snake Case Identifiers

[David Owens II]

> On Jan 22, 2016, at 12:32 PM, Erica Sadun via swift-evolution <swift-evolution at swift.org> wrote:
> 
> And some other feedback off list:
> 
> - Why have individual keywords if they are subsumed into a common representation? 
>     I would not personally object to simplifying things without the extra keywords
> 
> - Eliminate #column entirely? 
>     No one I know ("Pauline Kael") uses it, but presumably it was designed in there for a reason

Getting rid of #column or __COLUMN__ seems extremely arbitrary; it’s very useful when providing debug output. Why would you remove it? 

This is a trivial example, but you’d have no easy way to tell which err’ed:

func err(line: Int = __LINE__, column: Int = __COLUMN__) {
    print("err: \(line):\(column)")
}

if true { err() } else { err() }

The value of __LINE__ to #line is marginal. However, the collapse to a #sourceLocation structure of some sort that contained the info would be fantastic.

-David

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