[m-rev.] for review: make each SCC a set

[Zoltan Somogyi]

On Mon, 20 Feb 2017 16:19:35 +1100, Paul Bone <paul at bone.id.au> wrote:
> > > I think these are the best names we can find,
> > 
> > Which "these" are you referring to? The top_down/bottom_up pair,
> > or the from_to_order/to_from_order pair?
> 
> top_down/bottup_up
> 
> caller_callee_order/caller_callee_order is longer, but I understand it
> straight away.

Yes, I think users would understand those names straight away *if*
they were using the digraph to represent caller/callee relationships.
But if they weren't, those names would confusing as hell.

If noone objects, I will add the from_to and to_from version of the names.

Zoltan.