Returning range of inout objects from inout method

Steven Schveighoffer schveiguy at
Sat Jul 25 20:07:00 UTC 2020

On 7/25/20 3:16 PM, FreeSlave wrote:
> On Saturday, 25 July 2020 at 14:19:15 UTC, Steven Schveighoffer wrote:
>> The only way to do this without code duplication (but with generated 
>> code duplication) is to template the byAction function on the type of 
>> `this`:
>> auto byAction(this This)() { /* same implementation */ }
>> Note that this ONLY works if your base range type is an array. If you 
>> have a custom range type, you need to parameterize that based on the 
>> constness of `This`.
> Thanks. I thought this template is useful only in inheritance.
> Is constness of member function inferred automatically in this case?

In this case, yes. I don't know actually if this is documented.


More information about the Digitalmars-d-learn mailing list