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Jan 2, 2016 at 00:42
There's a numpy/scipy style package for Smalltalk! https://github.com/SergeStinckwich/SciSmalltalk Seems every language with a REPL eventually wants fast matrices.
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Apr 26, 2026 at 20:52
2
It's confusing how 'REPL' refers to two different UIs: A CLI like IPython or Julia, where things like multiline editing and syntax highlighting need careful implementation. An editor protocol like SLIME or CIDER where multiline editing is a total non-issue.
Aug 18, 2025 at 22:44
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Today I learnt that Racket *intentionally* doesn't have a traditional REPL workflow. The authors were concerned about students not understanding the state between the current session and the code on disk. (Arguably Jupyter has some of these features now.)
the DrScheme repl isn't the one in Emacs
_posted by matthias_ Dear old Lisper, You have found drscheme and it is almost like your old Lisp machine. It is easy to program in it, it has things that nobody else has, and we all love parentheses. But after some initial enthusiasm you are wondering ...
Jul 31, 2024 at 00:07
I'm designing a programming language and trying to decide the type of `let x = 1;`. Should it be Unit or Int? Advantage of Int: really convenient when evaluating snippets in a REPL. Advantage of Unit: It's much less confusing when type inference runs on an incomplete function.