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Teal – A statically-typed dialect of Lua

(teal-language.org)
218 points generichuman | 2 comments | 16 May 25 00:40 UTC | HN request time: 0.455s | source
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90s_dev ◴[16 May 25 01:06 UTC] No.44000882[source]▶
I'm so relieved to see more types being added to good languages.

So Teal is to Lua as TypeScript is to JavaScript. Which means it automatically plays well with any Lua environment. Unlike luau and nelua which are also statically typed but have their own runtimes.

What version of Lua does it use? Lua gets new versions every few years so I don't know why so many impls don't continuously upgrade to the latest version.

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0cf8612b2e1e ◴[16 May 25 02:52 UTC] No.44001419[source]▶
Each new Lua version has breaking changes that are of dubious value to keep on the upgrade treadmill. Something like a Python2->3.

LuaJIT is famously on 5.1 with no signs of moving.

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1. bondant ◴[16 May 25 08:02 UTC] No.44002874[source]▶
Not moving straight to a more recent version, but still cherry-picking some parts of them. You can see some functionalities from Lua 5.2 and 5.3 are working in Luajit: https://luajit.org/extensions.html
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2. 90s_dev ◴[16 May 25 12:37 UTC] No.44004702[source]▶
I guess all of this means Lua has "flavors" more than "versions".