import std.container.rbtree;

import std.stdio;

​

extern(C) struct A

{

    int len;

    int[0] contents;

}

​

void main()

{

    import core.stdc.stdlib : malloc;

    const n = 10;

    pragma(msg, A.sizeof);

    auto a = cast(A*) malloc(A.sizeof + n * int.sizeof);

    //a.contents[2] = 10;

    int *p = a.contents.ptr;

    writefln("%x %x\n", a.contents.ptr, cast(int*) a + 1);

    int[] p_cont = p[0 .. n];

    p_cont[2] = 10;

}