void dynamicLength(ubyte[] chunk)

{

    chunk[0 .. $/2] = 0;

}

​

void staticLength(int N)(ref ubyte[N] chunk)

{

    chunk[0 .. N/2] = 0;

}

​

void main()

{

    enum N = 100;

    ubyte[N] chunk = void;

    dynamicLength(chunk);

    staticLength(chunk);

}