When I debug a parser, I just printf the state too, and that is a little more awkward in OCaml as well. You can certainly argue it's not worse, but I have never seen anyone argue it's better.
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Culturally, I see a lot of discussions like this, which don't really seem focused on helping people finish their parsers:
I know that, and obviously you can write a recursive descent parser in OCaml
But I'm saying there's nothing better about it than doing it in OCaml vs. C++ or Python -- it's the same or a little worse
IMW it's natural to express the interface to a lexer and parser as classes -- e.g. you peek(), eat(), lookahead(), etc.
Classes being things that control mutation
But objects in OCaml seem to be a little separate dialect: https://dev.realworldocaml.org/objects.html
When I debug a parser, I just printf the state too, and that is a little more awkward in OCaml as well. You can certainly argue it's not worse, but I have never seen anyone argue it's better.
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Culturally, I see a lot of discussions like this, which don't really seem focused on helping people finish their parsers:
https://discuss.ocaml.org/t/why-a-handwritten-parser/7282/7
https://discuss.ocaml.org/t/good-example-of-handwritten-lexe...
I also use lexer/parser generators, and I like that there are more tools/choices available in C/Python than in OCaml.