Two small points of feedback

Michael Nascimento misterm at gmail.com
Fri Jan 4 07:54:07 PST 2013


I'd prefer rangeInclusive() / rangeExclusive() . The more explicit in
this case, the better.

Regards,
Michael

On Fri, Jan 4, 2013 at 1:49 PM, Stephen Colebourne <scolebourne at joda.org> wrote:
> On 4 January 2013 15:05, Brian Goetz <brian.goetz at oracle.com> wrote:
>>> My theory is that its because the numbers are discrete. "From Monday
>>> to Wednesday" is closed in normal language, whereas "from 09:00 to
>>> 17:00" is not. Similarly "the TV channels 1 to 4" is closed, but "from
>>> 1.3 to 8.6" is more likely to be half-open.
>>
>> And what about
>>
>>   string.substring(0, 10)
>> or
>>   Arrays.sort(a, 0, 10)
>>
>> or...?   These have discrete numbers too.
>
> These are indices into a list/array/string. Range defines the set of
> ints themselves. These is related but not entirely the same. (indices
> point at the gaps between things, a range of ints points at the things
> themselves). So, yes, I think there is a conceptual difference.
>
> I believe you need two methods. One of these three options:
> - rangeInclusive()
> - rangeExclusive()
>
> - range()
> - rangeExclusive()
>
> - range()
> - rangeInclusive()
>
> I don't currently have a strong preference between them.
>
> I don't support a boolean flag on range() as that is meaningless. An
> enum would be too verbose IMO.
> Stephen
>


More information about the lambda-dev mailing list