Protected attribute for variables in derived types

[aradi]

It would be awesome, if the protected attribute could also be used in derived types:

  type :: some_big_data_t
    real, allocatable, protected :: data(:,:)
  contains
    procedure :: set_data
    !procedure :: get_data
  end type some_big_data_t

It would help to avoid unnecessary copies when retrieving data from a derived type instance and enable protection against unnoticed manipulation of that data.

[certik]

Thanks @aradi for the idea. Would you be interested in putting a proposal together for this? You can send a PR with the draft.

[aradi]

Yes, sure, why not. I'll make a proposal.

[aradi]

Stupid question: How do you choose the file name for the proposal in the PR?

[certik]

Just choose some, we can rename it later.

…

On Mon, Oct 21, 2019, at 8:45 AM, Bálint Aradi wrote: Stupid question: How do you choose the file name for the proposal in the PR? — You are receiving this because you commented. Reply to this email directly, view it on GitHub <#16?email_source=notifications&email_token=AAAFAWH4VR64SMUAIC5D6GTQPXFDNA5CNFSM4JBYSARKYY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOEB2ZI2Y#issuecomment-544576619>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AAAFAWES5V2UJJH4E2PVMMTQPXFDNANCNFSM4JBYSARA>.

[zjibben]

The proposal is now submitted:

https://j3-fortran.org/doc/year/20/20-106.txt

Thanks @aradi!

[aradi]

Cool! Thanks @zjibben to support this!

[certik]

@aradi the committee is actively developing a version of this proposal in #156. Unfortunately, it seems that currently there are some issues with the latest version. If you have time, I would encourage that you get involved there. We will happily channel your arguments.