isRandomAccessRange on static array
Brad Anderson
eco at gnuk.net
Mon Apr 9 16:25:18 PDT 2012
On Monday, 9 April 2012 at 23:22:57 UTC, Jonathan M Davis wrote:
> On Tuesday, April 10, 2012 00:20:20 Brad Anderson wrote:
>> A user in IRC was having difficulty using std.algorithm.sort
>> on a
>> static array. It appears to be due to static arrays don't pass
>> the isRandomAccessRange constraint.
>>
>> static assert(isRandomAccessRange!(uint[5]));
>>
>> Results in:
>>
>> Error: static assert (isRandomAccessRange!(uint[5u])) is
>> false
>>
>> Is this a bug or am I missing something?
>
> Static arrays are not ranges:
>
> http://stackoverflow.com/questions/8873265/is-a-static-array-a-forward-range
>
> If you want to pass a static array to a range-based function,
> you must slice
> it first.
>
> - Jonathan M Davis
Ah, ok. That makes sense. Thanks.
Regards,
Brad Anderson
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