dmd -H switch and implementation details

[Sean Kelly]

Perhaps the header generation should only add function bodies if -inline is set when the
header is generated.  Seems like it would be an easy way to let the programmer control
the behavior.

== Quote from Unknown W. Brackets (unknown at simplemachines.org)'s article
> The idea is that short functions which are candidates for inlining are
> still included in the di file.  I don't believe there's any switch to
> skip these (which might be needed if you expect your implementation to
> change and don't want to recompile the client proram.)
> Still, for efficiency, you do want inlining where it makes sense (helper
> functions, etc.) and it needs those implementations for it.
> -[Unknown]
> dominik wrote:
> > I thought -H switch would give a .di file occluding the implementation
> > details of functions.
> > I'm building a dll and I have tried to make a .di file with externs and
> > exports in it without implementation (which is obviously in a DLL), however
> > I saw implementation being included in .di file.
> >
> > Is there another switch which makes only a declaration .di without
> > definition? Or maybe a separate utility for that?
> >
> >