Re: [Boost-users] [Boost.Range] combine, native range-for, and destructuring

Subject: Re: [Boost-users] [Boost.Range] combine, native range-for, and destructuring
From: Chris Glover (c.d.glover_at_[hidden])
Date: 2018-04-18 01:58:25

On Tue, 17 Apr 2018 at 11:00 Michel Morin via Boost-users <
boost-users_at_[hidden]> wrote:

> Hmm..., with boost (develop branch) + GCC 7.3 or Clang trunk,
> the following code runs fine:
>
>     std::vector<int> v1{1, 1, 1};
>     std::vector<int> v2{2, 2, 2};
>
>     for (auto&& tpl : boost::range::combine(v1, v2)) {
>         auto [x, y] = tpl; // `auto&`, `auto const&` and `auto&&` also
> work fine
>         x = 10;
>         y = 20;
>     }
>
>     for (auto&& [x, y] : boost::range::combine(v1, v2)) {
>         x = 200;
>         y = 200;
>     }
>
>
 FWIW, I just checked, and this works in the develop, but not master or
1.67.

-- chris