Dynamically Sized Structs

[Dicebot]

On Thursday, 17 April 2014 at 18:17:59 UTC, Kagamin wrote:
> State* pointer in sokoban example is a perfect 1 indirection.

It is not related to actual "dynamic struct" thing, which is why 
I have highlighted the line to look at. Minimal example is this:

struct Dynamic
{
     size_t length;
     int[0] payload;
}

void main()
{
     const length = 42;
     Dynamic* entity = alloca(Dynamic.sizeof + int.sizeof*length);
     entity.length = length;

     // pointer to same stack space so not really an indirection
     entity.payload[5] = 43;
}