Inlining Ref Functions

[dsimcha]

== Quote from Michel Fortin (michel.fortin at michelf.com)'s article
> Which makes me think: now that "this" in structs is now a "ref"
> parameter, does that mean that all non-static member functions of a
> struct won't be inlined?

Oddly enough, based on looking at some disassembly, DMD apparently inlines ref in
this special case.  Go figure.  If there are any explicit parameters that are ref,
though, it doesn't inline.