Re: [boost] Proposal: boost::make_array()

Subject: Re: [boost] Proposal: boost::make_array()
From: Mathias Gaunard (mathias.gaunard_at_[hidden])
Date: 2013-01-13 16:10:29

On 13/01/2013 21:46, Marshall Clow wrote:
> On Jan 13, 2013, at 12:42 PM, Marshall Clow <mclow.lists_at_[hidden]> wrote:
>
>> On Jan 12, 2013, at 5:43 PM, Yves Bailly <yves.bailly_at_[hidden]> wrote:
>>
>>> Greetings Kyle,
>>>
>>> On 01/12/2013 05:45 PM, Kyle Lutz wrote:
>>>> I'd like to propose a new function for the Boost Array library named
>>>> make_array(). The function constructs a fixed size array given N arguments
>>>> and is similar to the make_pair() and make_tuple() functions.
>>>> [...]
>>>> The code is available on github at https://github.com/kylelutz/make_array
>>>
>>> Sorry if it's a genuine question... But in the case of C++11, wouldn't it be
>>> simpler to use an expansion instead of the "push_array" function? Something
>>> like this:
>>
>> In C++11, you can just use an initializer list:
>>
>> 	boost::array<int, 5> {{ 0, 1, 2, 3, 4 }};
>
> Sorry. This works in both 03 and 11 (tried with gcc and clang):
>
> 	boost::array<int, 5> arr = { 0, 1, 2, 3, 4, };
>
> (aggregate initialization)

The OP probably needs this for creating an array on-the-fly as an 
argument to a function.