Thread overview
InExpression with custom type?
Aug 23, 2013
Namespace
August 23, 2013
Hello!

Is it possible to make an InExpression work with a used-defined type?

struct MyCollection { ... }

MyCollection mc;

auto p = 123 in mc;
if (p) { ... }

Thanks!

LMB


August 23, 2013
On Friday, 23 August 2013 at 19:57:42 UTC, Leandro Motta Barros wrote:
> Hello!
>
> Is it possible to make an InExpression work with a used-defined type?
>
> struct MyCollection { ... }
>
> MyCollection mc;
>
> auto p = 123 in mc;
> if (p) { ... }
>
> Thanks!
>
> LMB

Yes, use opBinaryRight:

T* opBinaryRight(stirng op : "in")(...)
August 23, 2013
Thanks!

LMB


On Fri, Aug 23, 2013 at 4:59 PM, Namespace <rswhite4@googlemail.com> wrote:

> On Friday, 23 August 2013 at 19:57:42 UTC, Leandro Motta Barros wrote:
>
>> Hello!
>>
>> Is it possible to make an InExpression work with a used-defined type?
>>
>> struct MyCollection { ... }
>>
>> MyCollection mc;
>>
>> auto p = 123 in mc;
>> if (p) { ... }
>>
>> Thanks!
>>
>> LMB
>>
>
> Yes, use opBinaryRight:
>
> T* opBinaryRight(stirng op : "in")(...)
>