Templates: Array slices not recognized

[via Digitalmars-d-learn]

On Monday, 20 April 2015 at 09:07:54 UTC, Chris wrote:
> On Saturday, 18 April 2015 at 17:59:19 UTC, ketmar wrote:
>> On Sat, 18 Apr 2015 17:50:56 +0000, Chris wrote:
>>
>>> Doh! You're right! My bad. However, this makes the function 
>>> less
>>> generic, but it doesn't matter here.
>>
>> maybe `auto ref` can help here?
>
> Yes, auto ref does the trick. I prefer it to passing the slice 
> by value, because I can extend the function to cater for more 
> types. My implementation (which is different from the one 
> posted above) works also with strings, for example. Anyway, it 
> gave me a performance boost of ~2.7 times as compared to the 
> workarounds I had. This was well worth it!

Strings are slices, too. `string` is equivalent to 
`immutable(char)[]`.