Dynamic arrays allocation size

["Luís]

On Tuesday, 26 March 2013 at 18:48:27 UTC, Andrei Alexandrescu 
wrote:
> D obeys two's complement overflow rules for its signed and 
> unsigned arithmetic. TDPL defines a checked integer type as an 
> example of operator overloading.

I guess my searches for "overflow", "underflow", "modulus", etc 
missed that :-)

BTW, Andrei, what do you think the impact of this is for embedded 
systems with unusual word lengths (combined with D's well-defined 
type sizes)?