Ray Racine asked:
Is (record-updater (record-type-descriptor thread-rtd) 'printer) ...)
valid ERR5RS or shall it be considered as a Larceny and therefore
non-portable extension?
That's Larceny-specific and therefore non-portable.
There are likely to be some implementations of ERR5RS
that
I may have missed this in the new doc/scheme-punks wiki, but can one set
a default printer for an ERR5RS record?
Is (record-updater (record-type-descriptor thread-rtd) 'printer) ...)
valid ERR5RS or shall it be considered as a Larceny and therefore
non-portable extension?
Thanks,
Ray