tl
gravity
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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
gravity
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Ask HN: Parrot language copycat my Gravity source code. What can I do?
I found out that the Parrot programming language (https://github.com/parrot-language/parrot) did copycat line by line my Gravity programming language (https://github.com/marcobambini/gravity).
I know that I used a very permissive license and that the project can be forked and modified by anyone but this is a theft more than a fork.
What can I do in this situation?
- When does garbage collector start in Gravity?
- Binding a Language to Gravity
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Lua's Lack of “Batteries”
This is gonna be subjective, because it depends on what your priorities are.
The two alternatives at the top of my list are Gravity and Wren. They are both designed for the same general profile that Lua has—a scripting language, safe to use, embeddable, with a small VM (low code size).
- https://github.com/marcobambini/gravity
- https://wren.io/
The language design choices are nice and familiar to people who are used to other existing languages. Lua is a bit radical.
Two other options are AngelScript and Squirrel, which are both a bit older and more mature than Gravity and Wren. In my opinion they are
- http://www.angelcode.com/angelscript/
- http://squirrel-lang.org/
Finally, it’s much more feasible these days to embed something like Mono, and Guile has gotten a lot better.
What are some alternatives?
luau - A fast, small, safe, gradually typed embeddable scripting language derived from Lua
umka-lang - Umka: a statically typed embeddable scripting language
OpenBBTerminal - Investment Research for Everyone, Everywhere.
blade - A modern general-purpose programming language focused on enterprise Web, IoT, and secure application development.
packer.nvim - A use-package inspired plugin manager for Neovim. Uses native packages, supports Luarocks dependencies, written in Lua, allows for expressive config
luaforwindows - Lua for Windows is a 'batteries included environment' for the Lua scripting language on Windows. NOTICE: Looking for maintainer.
rpi-open-firmware - Open source VPU side bootloader for Raspberry Pi.
inspect.lua - Human-readable representation of Lua tables
zForth - zForth: tiny, embeddable, flexible, compact Forth scripting language for embedded systems
pallene - Pallene Compiler
yyjson - The fastest JSON library in C