Re: [boost] [optional] memory use for optional refs and ptrs

Subject: Re: [boost] [optional] memory use for optional refs and ptrs
From: Rutger ter Borg (rutger_at_[hidden])
Date: 2010-10-07 08:31:02

On 2010-10-07 13:37, Larry Evans wrote:

> [snip]
>
> A more complete facility use is here:
>
>
> https://svn.boost.org/trac/boost/browser/sandbox/variadic_templates/libs/composite_storage/sandbox/layout_all.cpp
>
> which produces output:
>
> mpl::size<result_t>=3
> ( size=1, align=1)
> ( size=4, align=4)
> ( size=8, align=8)
> composition
> <  offset=8
> , size=16
> , align=8
>>
> padding_one=0
> padding_all=0
> composition
> <  offset=4
> , size=8
> , align=4
>>
> padding_one=3
> padding_all=3
> composition
> <  offset=0
> , size=1
> , align=1
>>
> padding_one=0
> padding_all=3
> layout0
> <  size=0
> , align=1
>>
>
> which shows the padding after the char is 3 in order
> to make the alignment of the int at 4.
>
> HTH.
>
> -Larry

Thanks,

Rutger