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Re: [Gnu-arch-users] NEW POLICIES (draft)
From: |
Thomas Lord |
Subject: |
Re: [Gnu-arch-users] NEW POLICIES (draft) |
Date: |
Mon, 4 Oct 2004 12:10:16 -0700 (PDT) |
> From: Andrew Suffield <address@hidden>
> > >On reflection, this is just a prism structure under a different name,
> > >plus a rule that there must be a single line of ancestry through all
> > >of them (which is actually useless and should be ignored - this isn't
> > >used for anything, so regular freeform prism structure will work just
> > >the same; the freeform structure is just a set of 'cascades' anyway).
> > The single-line-of-ancestry rule means it's not a prism.
> Not one, but several. It's a sequence of prisms tacked on top of each
> other.
Calling it "sequence of prisms" is a stretch since each version in the
sequence is singular whereas the point of prisms is to have multiple
parallel versions.
> The classical prism structure is a set of these things sitting
> next to each other. The difference can and should be ignored unless
> there happens to be a real dependency here, in which case it's the
> obvious way to do it anyway.
Apparently not obvious, given that people haven't been using this
pattern.
The pattern has particular value for longer-term, multi-phased,
multi-change development --- exactly the use described for it by the
rel-src-mgt spec.
-t