std.stdio.File lacking range-based rawWrite

[Vladimir Panteleev via Digitalmars-d]

On Friday, 8 January 2016 at 06:27:05 UTC, H. S. Teoh wrote:
> Today I was writing some range-based image-generation code, 
> which produces a range of ubytes representing the resulting 
> image file.  To my astonishment, there was no function in 
> std.stdio that could spool this range to a File.

There's toFile... I need to wrap it up though.

https://github.com/D-Programming-Language/phobos/pull/2011