[Issue 16539] std.getopt should invoke callbacks in the order given on the command line

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=16539

--- Comment #5 from hsteoh at qfbox.info ---
The last time I complained about this, Andrei said it's not important.  I
didn't know what it would take to convince him, so I wrote my own getopt
instead.  Maybe you'll have a better chance at changing this annoying
behaviour?

Note that it *will* require extensive rewriting, because the current
implementation is heavily keyed on this weird processing order, and it will
require some non-trivial code surgery to refactor it to do things a different
way.

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