The meaning and source of the Skt quotation should be added. The reference to the "very simplest cases" should be something like ".,..simplest and commonest cases". People can do a lot with just SRFI 9.
Can we have a root record type with no fields rather than record systems? This makes matters more complex in some ways but simpler in others. On Sat, Feb 8, 2025, 3:12 AM Daphne Preston-Kendal <d...@nonceword.org> wrote: > Dear Arthur, > > Please withdraw SRFI 256 with the following notice: > > > While this proposal achieves its semantic goals, no known Scheme > implementation, including otherwise highly-optimizing ones, is yet able to > optimize record construction in the style proposed here for subtype > instances in all cases. I am continuing to work on the problem of finding a > record type design that will satisfy Schemers’ desires for an efficient > basis for a record system which can be extended to support any of the > features someone might want. > > And for those who are interested in what my current idea looks like: < > https://gitlab.com/dpk/presrfis/-/blob/master/turtle-records.md> > > > Daphne > >