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Subject: Re: [std-proposals] Allowing access to object representations
From: language.lawyer_at_[hidden]
Date: 2019-08-21 14:32:44


On 21/08/2019 22:31, sdkrystian via Std-Proposals wrote:
> The example I provided is not the best, since 42 is small enough for unsigned char and int to work as expected, imagine that I wrote a bigger number, such as 1000

This is covered by http://eel.is/c++draft/expr.pre#4

> Sent from my Samsung Galaxy smartphone.
>
> -------- Original message --------
> From: Timur Doumler via Std-Proposals <std-proposals_at_[hidden]>
> Date: 8/21/19 15:11 (GMT-05:00)
> To: std-proposals_at_[hidden]
> Cc: Timur Doumler <cpp_at_timur.audio>
> Subject: Re: [std-proposals] Allowing access to object representations
>
> This doesn't make sense to me. If I have an object of type int (or, say, a struct containing an int), then the value has 4 bytes. If I access that value by dereferencing a char pointer that aliases that object, all I can ever get from that char is a single byte. How can this be "the object"?
>
> Cheers,
> Timur
>
> > On 21 Aug 2019, at 20:59, language.lawyer--- via Std-Proposals <std-proposals_at_[hidden]> wrote:
> >
> >> On 21/08/2019 21:55, Krystian Stasiowski via Std-Proposals wrote:
> >> Yes, you access the value of the object of the object, however, since its not specified what exactly you get
> >
> > It is specified: you get the value contained in the object.
> >
> >> http://eel.is/c++draft/conv.lval#3.4
> >
> > Indeed, it is specified here.
> > --
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>
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