Nothing type/value aka Unit

[dayllenger]

On Friday, 8 February 2019 at 14:57:11 UTC, Jonathan Levi wrote:
> I think I will use:
>
>     alias Unit = typeof(null);
>     enum Unit unit = null;

void[0] is better, because it almost always has exactly 0 bytes 
size, but typeof(null) is 4-8 bytes depending of arch. Also there 
is a nasty segfault when trying to resize typeof(null) array, I 
don't know why, something related to unaligned data.