[swift-evolution] [Proposal]: Free the '$' Symbol!

[Jacob Bandes-Storch]

+10

On Sat, Jan 2, 2016 at 11:36 PM, Developer via swift-evolution <
swift-evolution at swift.org> wrote:

> Swift currently does not allow operators to use $ - I assume because the
> grammar reserves it in one place: `implicit-parameter-name`.  I don't see
> why an entire class of identifiers has been eliminated, so I propose $
> instead be reclassified as an `operator-character` so it can be used mixed
> in with other such characters, but prevents the introduction of
> `$Identifier`-style declarations that might conflict with implicit
> parameters.
>
> ~Robert Widmann
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