'int' is enough for 'length' to migrate code from x86 to x64
Matthias Bentrup via Digitalmars-d
digitalmars-d at puremagic.com
Wed Nov 19 13:38:50 PST 2014
On Wednesday, 19 November 2014 at 20:40:53 UTC, bearophile wrote:
> Andrei Alexandrescu:
>
>> There are related bugs in Java too, e.g. I remember one in
>> binary search where (i + j) / 2 was wrong because of an
>> overflow.
>
> This is possible in D too.
>
>
>> Also, Java does have a package for unsigned integers so
>> apparently it's necessary.
>
> This is irrelevant. No one here is saying that a system
> language should not have unsigned values. The discussion here
> is about the type of array lengths.
>
> Bye,
> bearophile
The only signed types that are able to represent all possible
array lengths on 64 bit systems are long double and cent.
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