What type does byGrapheme() return?

[Steven Schveighoffer]

On 12/31/19 2:58 PM, H. S. Teoh wrote:
> On Tue, Dec 31, 2019 at 09:33:14AM -0500, Steven Schveighoffer via Digitalmars-d-learn wrote:
>> e.g.:
>>
>> writeln(" Text = ", gr1.map!((ref g) => g[]).joiner.to!string);
> [...]
> 
> Unfortunately this doesn't work. Somehow the ref parameter doesn't match
> whatever it is std.algorithm.map is trying to pass to it.

Huh, it seemed to work for me. Got the full "Robert" with an R. map does 
support ref-ness. Maybe you didn't put ref in the right place?

-Steve