On Mon, Dec 10, 2018 at 3:56 PM Alex Vong <alexvong1...@gmail.com> wrote:
Therefore, one fix would be to make Vector instead of List to > corresponds to Json Array, but maybe this change will cause too much > breakage, so I am not sure it is practical. > That is the approach used by the Chicken json egg <http://wiki.call-cc.org/eggref/5/json>. Note that when writing you can use either a vector of pairs or a hash table to represent a JSON object, but when reading it is always re-created as a vector of pairs. This is portable and eliminates any problems with readability from within Scheme. The json egg depends on the packrat egg at < http://wiki.call-cc.org/eggref/5/packrat> which has no further dependencies, but it would be easy to replace the packrat parser with a hand-rolled parser. -- John Cowan http://vrici.lojban.org/~cowan co...@ccil.org If I have seen farther than others, it is because I was looking through a spyglass with my one good eye, with a parrot standing on my shoulder. --"Y" > Another way would be to make some other type other than Alist to > corresponds to Json Object. If we were in Clojure, it would be Hash > Map. I think VHash is a good candidate, but I am not happy with it not > having a read/write syntax (Hash Table has the same problem too) which > makes it not as flexible as Alist. > > (Actually, I had been trying to write a reader macro for VHash (w/ or > w/o the Guile Reader library) but I didn't succeed in doing so because > of my limited knowledge in how lexing works in Guile.) > > > Aleix > > Cheers, > Alex >
