"else if" for template constraints

[Steven Schveighoffer via Digitalmars-d]

On 8/17/15 1:00 PM, Idan Arye wrote:

> It looks a bit ugly, that the `else` is after a function declaration
> instead of directly after the if's "then" clause. How about doing it
> with the full template style?
>
>      template replaceInPlace(T, Range)
>      if(isDynamicArray!Range &&
>          is(Unqual!(ElementEncodingType!Range) == T) &&
>          !is(T == const T) &&
>          !is(T == immutable T))
>      {
>          void replaceInPlace(ref T[] array, size_t from, size_t to,
> Range stuff)
>          { /* version 1 that tries to write into the array directly */ }
>      }
>      else if(is(typeof(replace(array, from, to, stuff))))
>      {
>          void replaceInPlace(ref T[] array, size_t from, size_t to,
> Range stuff)
>          { /* version 2, which simply forwards to replace */ }
>      }

Yes, I like this much better.

-Steve