Andy Wingo writes:
>> I'm also a bit puzzled why you're apparently planning to rewrite
>> everything I already did on the 'r7rs-wip' branch. The main issue on
>> that branch is that the implementation of *writing* cyclic data turned
>> out to be a mess, but it could be removed or replaced withou
Hey!
On Mon 18 Nov 2019 16:10, Mark H Weaver writes:
> Andy Wingo writes:
>
>> 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
>> sh
Hi Andy,
Andy Wingo writes:
> 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.
FYI, I already implemented R7RS datum
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 wrote:
> R7RS defines a lexical feature called "datum la
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 coul
