std.format expand "%s"

[jmh530 via Digitalmars-d-learn]

On Monday, 21 August 2017 at 13:57:01 UTC, Steven Schveighoffer 
wrote:
>
> Well, for most things, %s does not do the same thing as another 
> specifier. It's only integers, which format the same as %d, and 
> floating points, which format the same as %g.
>
> For all others, the format is specified as %s.
>
> I think what you really want is just isFloatingPoint or 
> isIntegral.
>
> -Steve

I'm pretty sure that isFloatingPoint/isIntegral is not what I 
need, but I'm also not sure if what I was asking for above is 
needed either. So I'll just drop it for now.