[swift-evolution] @avaliable and #avaliable

[Jean-Daniel Dupas]

# as seen a convention for compiler generated code. #line expands to a String, #available expands to a runtime check that represent a bool.

I don’t see what’s wrong with that.

> Le 4 févr. 2016 à 16:53, James Campbell via swift-evolution <swift-evolution at swift.org> a écrit :
> 
> Just in general. I've been told that # is being seen as a convention for the compiler to treat it like a macro but we have @avaliable and you're saying #avaliable isn't even a compiler check.
> 
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> On Thu, Feb 4, 2016 at 3:48 PM, Jean-Daniel Dupas <mailing at xenonium.com <mailto:mailing at xenonium.com>> wrote:
> It depends it you talk about the @vailable attribute used to annotate methods, or the #available runtime check used to choose a code path depending the OS version.
> 
>> Le 4 févr. 2016 à 16:05, James Campbell via swift-evolution <swift-evolution at swift.org <mailto:swift-evolution at swift.org>> a écrit :
>> 
>> How come avaliable sometimes has a @ and a #
>> ___________________________________
>> 
>> James⎥Lead Engineer
>> 
>> james at supmenow.com <mailto:james at supmenow.com>⎥supmenow.com <http://supmenow.com/>
>> Sup
>> 
>> Runway East
>> 
>> 
>> 10 Finsbury Square
>> 
>> London
>> 
>> 
>> EC2A 1AF 
>> 
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