Hi! This reminds me of something: Is there something like https://docs.racket-lang.org/lens/index.html for Guile? Or perhaps an easy to understand tutorial on implementing it?
Regards, Zelphir On 2/18/20 2:38 PM, Christopher Lam wrote: > A bit late, and perhaps not as sophisticated as some bigger modules here. > > Two functions defined as follows: nested-alist-set! nested-alist-get at > https://github.com/Gnucash/gnucash/blob/1f83cfaf64d1cd3c8862b427dd043154f780a772/gnucash/report/html-chart.scm#L37 > > Consider a nested alist describing unix file system > (define lst > (list > (cons 'usr (list > (cons 'bin "binary files") > (cons 'games "g4m3s") > (cons 'include (list > (cons 'guile (list > (cons '2.2 "old"))) > (cons 'linux "da best"))))))) > > We can access a leaf node via (nested-alist-get lst '(usr include linux)) > --> "da best", and set a leaf node via (nested-alist-set! lst '(usr include > python) "boo"). This is probably easy to seasoned schemers, but still a > nice pair of functions to use in modifying nested alists before conversion > into json. > > On Mon, 17 Feb 2020 at 09:16, Ludovic Courtès <l...@gnu.org> wrote: > >> Hi! >> >> Ricardo Wurmus <rek...@elephly.net> skribis: >> >>> What do you think about adding these things to >>> https://notabug.org/cwebber/guile-webutils/ ? This was once intended to >>> be a collection of useful tools that come in handy when writing web >>> applications. >> I didn’t know about guile-webutils but consolidating Web tools in this >> package sounds like a great idea! >> >> Ludo’. >> >>
