[swift-evolution] Colon vs. equals
dabrahams at apple.com
Sat Feb 6 10:11:20 CST 2016
on Sat Feb 06 2016, Haravikk <swift-evolution at swift.org> wrote:
> +1 for changing attributes to using colons, as it would make them read
> more like a function call (albeit one with slightly different rules).
> -1 though for changing dictionary literals; personally I think the
> colon syntax is a lot clearer, especially when the literal is being
> assigned, as it means there is only a single, clear assignment.
> Regarding assigning new values to a dictionary though, I wonder if we
> might extend the literal syntax to modifying an existing dictionary?
> For example, I might do something like:
> myDictionary[“foo”: 1, “bar”: 2] // Add/set new values for foo and bar
> As this could be a neater way to replace:
> myDictionary[“foo”] = 1
> myDictionary[“bar”] = 2
This should be spelled
myDictionary.updateValues([“foo”: 1, “bar”: 2])
myDictionary.update([“foo”: 1, “bar”: 2])
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