Splitting a stream of data on based on data change.

[Taylor R Hillegeist]

On Thursday, 21 November 2019 at 22:11:59 UTC, Alex wrote:
> On Thursday, 21 November 2019 at 21:36:08 UTC, Taylor R 
> Hillegeist wrote:
>> I was looking through the standard library for a good way to 
>> split a range into several ranges based on value changes in 
>> the stream:
>>
>> AAAAAAABBBBBB
>> would be split on the AB transition into:
>> AAAAAAA BBBBBB
>>
>> I just couldn't figure out an elegant way to do it? Any ideas?
>
> Like this?
>
> ´´´
> void main()
> {
>     import std;
>     "AAAAAAABBBBBB"
>         .chunkBy!((a,b) => a == b)
>         .writeln;
> }
> ´´´
>
> https://dlang.org/library/std/algorithm/iteration/group.html
> https://dlang.org/library/std/algorithm/iteration/chunk_by.html

Just like that.