Hi, Maxime Devos <maximede...@telenet.be> skribis:
> Read hash extensions can return syntax objects. In a Guile 3.0.8 REPL: > > (define-module (hat)) > (define (hat s-exp) > `#(hat ,s-exp)) > > (read-hash-extend #\^ > (lambda (_ port) > ;; Use 'read-syntax' instead of a combination of 'read' and > ;; 'datum->syntax' for source properties. > #`(hat '#,(read-syntax port)))) > > #^(foo bar) > $4 = #(hat (foo bar)) > > Doing something like this in the hash extension for G-exps might work. Yes, that’s one possible workaround, but then ‘read’ would find itself returning syntax objects as well. We have to see to what extent this is a problem in Guix proper; I think it will at least break ‘guix style’ and related code. Ludo’.
