How to use `format` to repeat a character

[Bahman Movaqar via Digitalmars-d-learn]

On 07/11/2016 02:44 PM, ketmar wrote:
> On Monday, 11 July 2016 at 09:31:49 UTC, Ali Çehreli wrote:
>> What makes you expect that format should have that feature? :)

I somehow recalled I could do that in C and then there was the "minimum
field width" in the docs, so I thought it's possible I'm just not
understanding the docs clearly :-)

> the fact that format can insert spaces. it is like: "ok, it can do
> spaces. i bet there should be some way to use any character instead of
> space. after all, the implementation would be the same, right?!" and
> then... oops.

That's my story.

Thanks people for your help.