Implicit conversion of struct to bool for if (s) operation ?

Ali Çehreli via Digitalmars-d-learn digitalmars-d-learn at puremagic.com
Tue Jun 7 15:15:08 PDT 2016


On 06/06/2016 08:28 AM, Adam D. Ruppe wrote:
> On Monday, 6 June 2016 at 15:23:50 UTC, chmike wrote:
>> I would like an implicit conversion of Info to bool that return false
>> if category_ is null so that I can write
>
> add:
>
> bool opCast(T : bool)() {
>    return whatever;
> }
>
> to the struct and it should work.

It's news to me that while opCast for all other types is for explicit 
casting, opCast for bool works for implicit casting.

Ali


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