Appending static arrays

[H. S. Teoh via Digitalmars-d-learn]

On Mon, Jul 17, 2017 at 08:28:12PM +0000, Nordlöw via Digitalmars-d-learn wrote:
[...]
> I had to special-case foreach body for `i == 0` since `sumOfLengths`
> couldn't instantiate with empty tuple `()`.
> 
> Further, should `concat` support `CommonType`? That is, should
> 
>     int[2] x = [1, 2];
>     const double[2] y = [3, 4];
>     auto z = concat(x, y);
>     static assert(is(typeof(z) == double[4]));
> 
> be allowed?

See the working implementation in my latest post on this thread.  That
version supports CommonType, and works correctly with empty tuples as
well.


T

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