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Subject: Re: [std-proposals] How to Restrict Class Methods to specific other classes without invoking friend
From: DBJ (dbj_at_[hidden])
Date: 2021-02-23 03:00:53


https://godbolt.org/z/WYTsxr

On Tue, 23 Feb 2021 at 07:34, Joshua Brown via Std-Proposals <
std-proposals_at_[hidden]> wrote:

> Hi,
>
> I have a lot of trouble finding anything on stack overflow or elsewhere on
> this topic. I have been attempting to better encapsulate some of my classes
> and the scopes in which they can be used. I am trying to find out if there
> exists a way to limit access of certain methods of a class to another class
> without using private access modifier with the friend keyword. Adding a
> class as a friend is overkill and does not really help with improving the
> encapsulation.
>
> One of the use cases I am running into is allowing a constructor to only
> be called by a few specific classes. Imposing this limitation is beneficial
> when the classes are large and I do not want to allow arbitrary creation of
> them.
>
> If there is not an easy way to do this, I'm trying to find out if it would
> be worth starting down the road of making a proposal.
>
> Joshua Brown
>
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>



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