I don't see where the incompatibility comes in, although more lookahead would be required. Per the Guile documentation, neither #n# nor #n= (where n is a sequence of digits) is a valid array tag.
On Sat, Nov 16, 2019 at 3:50 PM Andy Wingo <wi...@pobox.com> wrote: > R7RS defines a lexical feature called "datum labels"; see section 2.4 in > the report. An example would be: > > #0=(a b c . #0#) > > Guile's reader doesn't support this feature and it's not clear if we > should, in general. Note, datum literals appear to be incompatible with > array literals. But we could of course use the R7RS layer as a place to > experiment with a `read' implemented in Scheme. > > > >
