The Thermopylae excerpt of TDPL available online

[Saaa]

Could anybody clear these up for me?

> p16. Is there anything other than the random values, unsafe about void 
> assignment?

> p18. What is unsafe about implicit conversion of static to dynamic array?
>        Meaning getting a dynamic array pointing to a stack allocated 
> array.
>        Any operation changing its size could copy the array to the heap. 
> What am I missing

> p20. 10 int take up 40 words?

Thanks!