Float to string with more digits?

[Justin Whear via Digitalmars-d-learn]

On Tue, 24 Feb 2015 20:04:04 +0000, Almighty Bob wrote:

> Is there a more accurate way to do a float and or double to string
> than...
> 
> to!string(float);
> 
> As that seems to limit itself to 6 digits.

Use std.string.format or std.format.formattedWrite.  std.format contains 
a description of the various format specifiers.  You'll probably want 
something like "%.12f", which formats a floating point number with 12 
digits of precision.