Option!T

Andrei Alexandrescu SeeWebsiteForEmail at erdani.org
Tue Dec 10 10:15:58 PST 2013


On 12/10/13 9:40 AM, JR wrote:
> On Tuesday, 10 December 2013 at 17:28:26 UTC, Andrei Alexandrescu wrote:
>> We have only(x) (http://dlang.org/phobos/std_range.html#.only) to be a
>> collection of exactly one value, but not a type for "a value of type T
>> or nothing at all".
>
> Is this not what Nullable!T is?

Nullable is not a range.

Andrei


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