Re: boost range dynamic joined_range

From: Richard Hodges (hodges.r_at_[hidden])
Date: 2020-04-06 16:36:23

This stack-overflow quarion and answer looks relevant.

It seems as if boost could benefit from a flattening_iterator type:

https://stackoverflow.com/questions/3623082/flattening-iterator

On Mon, 6 Apr 2020 at 08:41, Lars Sunde via Boost-users <
boost-users_at_[hidden]> wrote:

> Appreciate the response but do not think this answers my question.
>
> Maybe I did not explain myself properly. I would like the foo object to
> return a (boost) range object that the caller can traverse without knowing
> the details of the internal structure. The foo object might contain a
> configurable number of vector of int.
>
> So in one scenario foo will be initalized like this;
> vec = { {1,2,3}, {4,5,6}, {7,8,9} };
> and in another scenario like this;
> vec = { {1,2,3}, {4,5,6}, {7,8,9}, {10,11,12} };
>
> I do not want to create another vector "master" that contains all int.
>
> Appreciate any input 🙂
>
> kind regards, Lars
>
> ------------------------------
> *Fra:* degski <degski_at_[hidden]>
> *Sendt:* søndag 5. april 2020 23:08
> *Til:* Boost users list <boost-users_at_[hidden]>
> *Kopi:* Lars Sunde <laasunde_at_[hidden]>
> *Emne:* Re: [Boost-users] boost range dynamic joined_range
>
>
> On Sun, 5 Apr 2020 at 14:31, Lars Sunde via Boost-users <
> boost-users_at_[hidden]> wrote:
>
> The following code compile on Visual Studio 2017 and will output the
> number 1 to 9.
>
>
> This code will do so: https://stackoverflow.com/a/50660987 .
>
> degski
> --
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