[swift-evolution] Working with enums by name

[Vladimir.S]

Try this:

enum Size: String { case Fit, Fill }
print(Size.Fit.rawValue)

On 01.06.2016 13:42, Leonardo Pessoa via swift-evolution wrote:
> Just a fix. I've just tried the following code and the compiler complained
> there is no .rawValue on the type.
>
> |   enum Size { case Fit, Fill }
> |   print(Size.Fit.rawValue)
>
> Then, as I said before, you can only get the value name as a string from
> interpolation and need to do everything by hand the other way around.
>
> L
> ---------------------------------------------------------------------------
> From: Charlie Monroe via swift-evolution <mailto:swift-evolution at swift.org>
> Sent: ‎01/‎06/‎2016 07:19 AM
> To: Brent Royal-Gordon <mailto:brent at architechies.com>
> Cc: Swift-evolution <mailto:swift-evolution at swift.org>
> Subject: Re: [swift-evolution] Working with enums by name
>
> Sorry, must've missed that.
>
>> On Jun 1, 2016, at 12:17 PM, Brent Royal-Gordon <brent at architechies.com>
> wrote:
>>
>>> This is, however, kind of a hack IMHO that relies on the compiler
> behavior that isn't well documented.
>>
>> It's documented in "The Swift Programming Language", in the same
> paragraphs where the `enum Planet` example we've been working with comes from.
>>
>> “When you’re working with enumerations that store integer or string raw
> values, you don’t have to explicitly assign a raw value for each case. When
> you don’t, Swift will automatically assign the values for you.
>> <snip>
>> “When strings are used for raw values, the implicit value for each case
> is the text of that case’s name.”
>>
>> --
>> Brent Royal-Gordon
>> Architechies
>>
>
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