Docs for `Group` type

[Mike Parker via Digitalmars-d-learn]

On Tuesday, 12 July 2016 at 04:25:26 UTC, Bahman Movaqar wrote:
> When using `chunkBy` (unary pred) the result is a list of 
> tuples.  Each
> tuple holds a key and a `Group` which belong to that key.
> Where can I find the docs for this `Group` type (I have already 
> tried
> searching library on dlang.org)?
>
> Thanks,

The 'Group' type is an implementation detail -- a type used 
internally -- that you aren't supposed to care about. All you 
need to care about is that it's a range. The documentation for 
chunkBy [1] explains what the return type is.

[1] https://dlang.org/phobos/std_algorithm_iteration.html#.chunkBy