Yuescript
tl
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Yuescript
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Why Fennel?
I'm a big fan of moonscript, but occasionally wish it was still be improved and worked on. Yuescript¹ looks like it fixes most of my bugbears with moonscript, and it is largely a faster² drop-in replacement.
There was s little discussion here ~18 months ago³, but it will largely circular if you look as people are suggesting fennel there ;)
¹ https://github.com/pigpigyyy/Yuescript
² This probably only matters if you have tonnes of moonscript, not just a little neovim/mpv/awesomewm config or something.
³ https://news.ycombinator.com/item?id=29903133
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Using other languages
There's also some languages made to compile straight to Lua: - MoonScript is the most popular Lua wrapper - it's built to be more Python-like, featuring indentation-based scopes, function calls without parentheses, lambda syntax, list comprehension, and much more. - Yuescript is a modern update to MoonScript that adds more features (I haven't used it myself, so I'm not entirely sure exactly how it differs from MS). - Teal is a version of Lua that adds static typing for better code standards.
- data types in function definition
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Lua, a Misunderstood Language
Yes, this is unfortunately true.
There's a spiritual successor: https://yuescript.org/
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I've designed a re-imagined version of the Lua logo and some other Lua flavors just for fun, what do you guys think?
Yuescript in yellow
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100 Languages Speedrun: Episode 90: YueScript
What I didn't know about is that its fork YueScript is actively maintained, and with some extra features.
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Trying to move to Emacs again
I've put together a Lua config with Neovim, but it was still kind of obnoxious to put together. Lua isn't that great of a language, because people seem to forget it's an embed-able language for a reason (it's not supposed to give you tons of features). Using something that makes some of your more complex problems easier like Moonscript or Yuescript can make things more complex in regards to your configuration.
tl
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Ravi is a dialect of Lua, with JIT and AOT compilers
it's based off MIR, does it have something to do with https://mlir.llvm.org/ ?
for typed lua, there is another effort https://github.com/teal-language/tl in addition to the mentioned typescript approach: https://github.com/andremm/typedlua
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Lua Criticism Is Unwarranted
I had the pleasure of working with Lua 5.1 back in the late noughties. For me it's replaced Tcl whenever I want something I can configure above a C library. At the time I used it I found it quite nice but I'll also not forget the hours I wasted tracking down nil table corruptions which could have easily been caught by a type checker.
I had some hope that Luau https://luau-lang.org or Teal https://github.com/teal-language/tl would make things better but with the following example
function foo(x: number): string
- Why Fennel?
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Algebraic data types in Lua (Almost) post
I wonder why the author doesn't use Teal [0] - a typed dialect of lua.
[O] https://github.com/teal-language/tl
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Lua: The Little Language That Could
Check out Teal
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What's the deal with Fennel in Neovim?
There is already https://github.com/teal-language/tl, which is typed Lua. I think fennel exists to serve a different niche-- personally I use it not for any type features; I just like the syntax better, and others may find certain features like the macro system useful.
- Using Lua with C++
- Teal – Type Hints for Lua
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Using other languages
There's also some languages made to compile straight to Lua: - MoonScript is the most popular Lua wrapper - it's built to be more Python-like, featuring indentation-based scopes, function calls without parentheses, lambda syntax, list comprehension, and much more. - Yuescript is a modern update to MoonScript that adds more features (I haven't used it myself, so I'm not entirely sure exactly how it differs from MS). - Teal is a version of Lua that adds static typing for better code standards.
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Bog – small, strongly typed, embeddable language
Terra and Nelua are both very different in goals than Teal. Teal is literally gradual types integrated into Lua keeping as many of Lua's idioms as possible (to a fault[1]). Terra and Nelua are both very metaprogrammable systems programming languages. Nelua's goals are primarily to soften C's rough edges, comparable to something like Nim.
There's another one you missed in Pallene[2]. But again, it's goal was to optimize the stack sharing involved in using the C API. It also adds types though and maintains Lua idioms as much as possible.
[1]: https://github.com/teal-language/tl/discussions/339
[2]: https://github.com/pallene-lang/pallene
What are some alternatives?
moonscript - :crescent_moon: A language that compiles to Lua
luau - A fast, small, safe, gradually typed embeddable scripting language derived from Lua
kakoune - mawww's experiment for a better code editor
OpenBBTerminal - Investment Research for Everyone, Everywhere.
emacs-pure
packer.nvim - A use-package inspired plugin manager for Neovim. Uses native packages, supports Luarocks dependencies, written in Lua, allows for expressive config
open-builder - Open "Minecraft-like" game with multiplayer support and Lua scripting support for the both client and server
rpi-open-firmware - Open source VPU side bootloader for Raspberry Pi.
dotemacs - My Emacs configuration
luaforwindows - Lua for Windows is a 'batteries included environment' for the Lua scripting language on Windows. NOTICE: Looking for maintainer.
forkleft - Fegeya Forkleft, C++ implementation of ~new generation~ mark-up language.
pallene - Pallene Compiler