What library functionality would you most like to see in D?

[so]

On Tue, 02 Aug 2011 06:10:29 +0300, bearophile <bearophileHUGS at lycos.com>  
wrote:

> - I'd also like a std.image module to load and save images in png, gif,  
> jpeg, ppm, bmp. This is a very common need, even more common than a GUI  
> toolkit, and there are far less ways to load a PNG than to create the  
> API of a GUI toolkit.

Wrapper over http://nothings.org/stb_image.c and no license issue.
Sean Barrett wouldn't mind Boost i think.
Though i am not sure it serves the general needs.