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Subject: Re: [std-proposals] Specific Override Specifier
From: Tony V E (tvaneerd_at_[hidden])
Date: 2020-03-18 08:29:25

On Tue, Mar 17, 2020 at 2:12 PM Ryan Nicholl via Std-Proposals <
std-proposals_at_[hidden]> wrote:

> Consider:
> class A : public B, public C
> {
> virtual int lock();
> };
> what happens if both B::lock and C::lock exist as virtual functions? we
> can override them both with one function... but what if they are interfaces
> that do different things and happen to use the same name?
> Suggestion, specific override specifier:
> virtual int lock_mutex() override(int B::lock());
> virtual int lock_device() override(int C::lock());
I'd suggest a different syntax:

class A : public B, public C
   virtual int B::lock() override;
   virtual int C::lock() override;

but I've only needed this rarely; I suspect it probably isn't worth the

Be seeing you,

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