Optimal struct layout template?

[BCS]

Reply to dsimcha,

> According to the spec, data stored in structs is guaranteed to be laid
> out in the order specified in the source code.  While this is
> necessary in some low-level code, I have a use case where I need to
> pack structs as efficiently as possible.  These structs are to be
> stored in an array, and for efficiency reasons I want to store them
> directly rather than storing pointers, so using classes is out of the
> question.  Does anyone know how to write a template that, given a
> tuple of types, will reorder the tuple so that it will produce the
> optimal struct layout?  I don't care, at least for now, if it assumes
> x86-32/DMD instead of handling the more general case.
> 

would "align 1" work?