array to string functional?

[Jonathan M Davis]

On Friday, September 14, 2018 11:39:48 PM MDT berni via Digitalmars-d-learn 
wrote:
> On Saturday, 15 September 2018 at 03:25:38 UTC, Paul Backus wrote:
> > On Friday, 14 September 2018 at 20:43:45 UTC, SrMordred wrote:
> >> What you want is std.range.chunks
> >>
> >>
> >> auto a = [1,0,1,1,1,0,1,0,1,1,1,1,0];
> >>
> >>     a.map!(to!string)
> >>
> >>      .join("")
> >>      .chunks(4)
> >>      .map!(to!string) //don´t know why the chunks are not
> >>
> >> already strings at this point ;/
> >>
> >>      .writeln;
> >
> > It's easier if you chunk before joining:
> >
> > auto a = [1,0,1,1,1,0,1,0,1,1,1,1,0];
> >
> > a.map!(to!string)
> >
> >  .chunks(4)
> >  .map!join
> >  .writeln;
>
> Oh, thanks. What I didn't know about was join. Now I wonder how I
> could have found out about it, without asking here? Even yet I
> know it's name I cannot find it, nighter in the language
> documentation nor in the library documentation.

https://dlang.org/phobos/std_array.html#join

- Jonathan M Davis