[swift-evolution] [pitch] Eliminate the "T1 -> T2" syntax, require "(T1) -> T2"
dabrahams at apple.com
Tue Apr 19 17:29:48 CDT 2016
on Tue Apr 19 2016, Alan Skipp <swift-evolution at swift.org> wrote:
> I’d place the ability to omit parenthesises for single args in the same category
> as being able to omit `self` when accessing properties. They are small
> conveniences that make a large difference to an entire codebase.
Care to back that up with some measurements? Take one of your projects
and find the instances of “[^) ] *->”
How many places in the code are affected, and how much worse is the result?
> On 19 Apr 2016, at 15:49, Erica Sadun via swift-evolution
> <swift-evolution at swift.org> wrote:
> Apart from intuition and confusion, parentheses are used at call sites
> and declarations. It seems out of line that they can be removed in types
> but only in one degenerate case.
> This goes against the Swift core design goal of consistency.
> -- E
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