February 24, 2011
Why doesn't this work:

import std.stdio;
void main()
{
	float a,b=0;
	writefln("%x %x", a, b);
}

std.format.FormatError: std.format floating
February 25, 2011
On Thu, 24 Feb 2011 13:27:39 -0500, Trass3r wrote:

> Why doesn't this work:
> 
> import std.stdio;
> void main()
> {
> 	float a,b=0;
> 	writefln("%x %x", a, b);
> }
> 
> std.format.FormatError: std.format floating

That is because %x is for formatting integers.  If you want a hex representation of a floating-point number, use %a.

http://www.digitalmars.com/d/2.0/phobos/std_format.html

-Lars