Re: [racket-users] A dict? question
Exactly. `'e` is a reader macro that gets read as `(quote e)`. When it's already under a quote, the quoted quote is treated as a symbol: > (dict-ref '('yay) 'quote) '(yay) > (quote ((quote yay))) '('yay) > '((quote yay)) '('yay) > (dict-ref '((quote yay)) 'quote) '(yay) -- William J. Bowman On Sun, Feb 28, 2021 at 01:45:56AM +0200, Yury Bulka wrote: > Indeed, > > > (dict-keys '('yay)) > '(quote) > > (dict-values '('yay)) > '((yay)) > > (dict-ref '('yay) 'quote) > '(yay) > > So... this boils down to: > > > (equal? '('yay) '((quote yay))) > #t > > -- > Yury Bulka > https://mamot.fr/@setthemfree > #NotOnFacebook > > > > William J. Bowman writes: > > > try (dict-ref ‘(‘yay) ‘quote) > > -- > You received this message because you are subscribed to the Google Groups > "Racket Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to racket-users+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/racket-users/87k0qtf51n.fsf%40privacyrequired.com. -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to racket-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/racket-users/YDraI2UWIH3ejIN3%40williamjbowman.com.
Re: [racket-users] A dict? question
Indeed, > (dict-keys '('yay)) '(quote) > (dict-values '('yay)) '((yay)) > (dict-ref '('yay) 'quote) '(yay) So... this boils down to: > (equal? '('yay) '((quote yay))) #t -- Yury Bulka https://mamot.fr/@setthemfree #NotOnFacebook William J. Bowman writes: > try (dict-ref ‘(‘yay) ‘quote) -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to racket-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/racket-users/87k0qtf51n.fsf%40privacyrequired.com.
Re: [racket-users] A dict? question
try (dict-ref ‘(‘yay) ‘quote) -- Sent from my phoneamajig > On Feb 27, 2021, at 15:31, Yury Bulka wrote: > > Dear Racketeers, > > I have noticed something I don't understand: > >> (dict? '(yay)) > #f >> (dict? '('yay)) > #t >> (dict-ref '('yay) 'yay) > ; dict-ref: no value for key: 'yay in: '('yay) > > I'm puzzled - what makes '('yay) a dict compared to '(yay)? > > (Running Racket 7.8 on Linux). > > -- > Yury Bulka > https://mamot.fr/@setthemfree > #NotOnFacebook > > > -- > You received this message because you are subscribed to the Google Groups > "Racket Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to racket-users+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/racket-users/87mtvpf5pa.fsf%40privacyrequired.com. -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to racket-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/racket-users/B540457B-D95F-4C18-A978-90033951BA0C%40williamjbowman.com.
[racket-users] A dict? question
Dear Racketeers, I have noticed something I don't understand: > (dict? '(yay)) #f > (dict? '('yay)) #t > (dict-ref '('yay) 'yay) ; dict-ref: no value for key: 'yay in: '('yay) I'm puzzled - what makes '('yay) a dict compared to '(yay)? (Running Racket 7.8 on Linux). -- Yury Bulka https://mamot.fr/@setthemfree #NotOnFacebook -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to racket-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/racket-users/87mtvpf5pa.fsf%40privacyrequired.com.