Cast a 2d static array to a 1d static array. T[s][r] -> T[s*r]

Jonathan JonathanILevi at gmail.com
Tue Feb 27 22:17:25 UTC 2018


On Tuesday, 27 February 2018 at 22:13:05 UTC, Jonathan wrote:
> Is it possible to cast a 2d static length array to a 1d static 
> length array?
>
> E.g.
> int[2][2] a = [[1,2],[3,4]];
> int[4]    b = cast(int[4])a;
>
> Is not the byte data in memory exactly the same?

*( [pos,size].ptr .cst!(void*) .cst!(int[4]*) )
(using dub `cst` library) or
*( cast(int[4]*)(cast(void*)([pos,size].ptr)) )

Okay, this works but is this the best way?!


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