'int' is enough for 'length' to migrate code from x86 to x64

[Daniel Murphy via Digitalmars-d]

"Andrei Alexandrescu"  wrote in message 
news:m4nn38$1lau$2 at digitalmars.com...

> What is your point? (Honest question.)

That using signed integers exclusively eliminates one class of bugs, while 
making another class only marginally more likely.

> Are you proposing that we make all array lengths signed?

No, I think that ship has sailed.  But I recommend avoiding unsigned types 
for general arithmetic.