Re: [boost] [system] Add noexcept to conform with C++11

Subject: Re: [boost] [system] Add noexcept to conform with C++11
From: Vicente J. Botet Escriba (vicente.botet_at_[hidden])
Date: 2012-12-14 16:39:51

Le 11/12/12 09:15, Vicente Botet a écrit :
> Vicente Botet wrote
>> Le 10/12/12 22:33, Christopher Kohlhoff a écrit :
>>> Hi Vicente,
>>>
>>> On Tue, Dec 11, 2012, at 01:27 AM, Vicente Botet wrote:
>>>> I don't know what the C++ standard says, but at least MSVC 10.0,
>>>> gcc-4.7.2
>>>> and gcc-4.8.0 complain when I define a virtual function as noexept when
>>>> the
>>>> original declaration was not noexcept.
>>> This snippet illustrates what I mean:
>>>
>>> class base
>>> {
>>> public:
>>>     virtual const char* name() const = 0;
>>> };
>>>
>>> class derived : public base
>>> {
>>> public:
>>>     virtual const char* name() const noexcept;
>>> };
>>>
>>> // ...
>>>
>>> const char* derived::name() const noexcept
>>> {
>>>     return "";
>>> }
>>>
>>> This compiles without error on gcc 4.7.2 (debian). Can you please
>>> confirm whether your experimental changes follow this form?
>> This as well as the modification I checked on Windows-MinGW compiles
>> well in MacOs for
>> darwin-4.7.0x,darwin-4.6.2x,darwin-4.7.1x,clang-3.1xl,clang-3.2xl,darwin-latest_11,darwin-4.7.2x.
>> on C++11 mode.
>>
>> I will check your example tomorrow on MinGW. Could someone else check
>> this simple example on MinGW with compiler supporting noexcept in C++11
>> mode?
> My bad. I had a syntax error :(
>
> Ok. Lets go for the Chris proposal. Beman, I will post a patch.
>
>
Hi,

I have attached a patch to the ticket 
https://svn.boost.org/trac/boost/attachment/ticket/7278/

Best,
Vicente