Q: Determining array type

Myron Alexander someone at somewhere.com
Sat May 19 05:42:16 PDT 2007


Downs wrote:
> Myron Alexander wrote:
>> Hello.
>>
>> How do you determine if a type is an array? I saw the hack in 
>> std.boxer but was wondering if there is a language standard / better way.
>>
>> Regards,
>>
>> Myron.
> 
> Here's what I would do.
> template isArray(T) { const isArray=false; }
> template isArray(T: T[]) { const isArray=true; }
> 
> Beware though, this was not extensively tested. From what I can see, it 
> _should_ work, and also does in simple test cases, but that's no guarantee.
> 
> Use it like "[static] if (isArray!(Type)) { do stuff here } "

Thanks, rather ingenious.


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