ptpython VS LIPS

Ptpython reads from a configuration file where we can specify custom keybindings and the REPL colorscheme. The default configuration file can be copied from prompt-toolkit/ptpython/blob/master/examples/ptpython_config/config.py.

If you like using the REPL, for Python I recommend you try https://github.com/prompt-toolkit/ptpython

REPL??? Do you have a very-easy-to-use way of running and testing your code? From vim-slime to nvim sniprun to autocommands with the built in terminal, to an external repl like ptpython (for python obviously). iron.nvim and conjure are two other neovim repl plugins. There are many ways of running the code that you're working on, and having something that makes this really easy for you is pretty essential. (sometimes I use inotifytools on linux to literally just run the script every time I save it.)

I use ptpython for my python repl https://github.com/prompt-toolkit/ptpython. I find it very convenient because it has a vim mode, and many vim similarities.

A library like ptpython should be what you're looking for, however this probably isn't an option for an exam setting.

create a repl to the standard that ptpython sets for python (both croissant and ilua leave a lot to be desired)

My bad - the >>> and ... in my post are from an interactive shell session. - so there is an implicit print - which is why you see the output.

https://github.com/prompt-toolkit/ptpython is also a good one

Even better than iPython is PTPython, which can be used like a regular python interpreter with cool features.

Sweet, I'll have to give that a go :)

Another option in browser land is lips[0], which exclusively targets a js backend.

[0] https://lips.js.org

For Scheme implementations there are LIPS and biwascheme. I haven't done more than play around with them, so I can't really give an informed opinion about pros and cons or favorites.

Your example revealed a bug in my Scheme interpreter. This is an example that fails to match:

In my interpreter, LIPS Scheme, vector literal syntax is created using a syntax extension, a token that is mapped to a function or a macro. So you can use things like this:

I'm not sure about other Scheme interpreters but in my interpreter LIPS Scheme, there is (env) function that returns a list of symbols. You can also access environment objects e.g. (current-environment) return object that is used internally. And you can even access the scope chain because the env object has __parent__ property that returns the parent scope.

Few of my Open Source projects: * jQuery terminal * LIPS Scheme * Gaiman * Sysend * Wayne

(define promise (--> '>(fetch "https://lips.js.org/") (then (lambda (res) (res.text))) (then (lambda (text) (. (text.match #/\s*([^>]+?)\s*<\/h1>/) 1)))))

ngl when I first saw the headline my first thought was, “Wait, bring CAR into JavaScript? Make it a Lisp? But hasn't it already been done?”

Languages like Biwa Scheme and LIPS Scheme are good for running Scheme in the browser. But I would prefer compiling Scheme code to JavaScript in the server, then serving the compiled JavaScript image to the browser.