Programming Ruby 3.2 (5th Edition): B4.0 page 592, do not respond to else or dig

@noelrappin

page 592, paragraph after ref_meta_ruby/data_2.rb, line 2 : respond to else ?

and to_h to convert to a hash. Notably, Data objects do not respond to else or dig but they do
                                                                -----> ^^^^

Thanks! Fixed.