getopt that automatically prints usage

[Andrei Alexandrescu]

Igor Lesik wrote:
> I like how boost program_options library allows to keep together options and 
> the help strings and automatically generate help message. So I did something 
> similar by writing a wrapper around std.getopt.getopt that automatically 
> generates help/usage message; just would like to share it; may be something 
> like that could be added into std.getopt in future.
> 
> here is an example and code: http://www.curoles.com/j/getoptex.html 

Beautiful. Thanks Igor. I created this report so I don't forget to add 
your code:

http://d.puremagic.com/issues/show_bug.cgi?id=3780

When I get to it I'll integrate your code and add your name to the 
authors. I wanted to add such functionality for a long time, but I 
didn't think it will be this easy. Your solution is very elegant.


Andrei