Re: [ANN] Luam: A minimalist, procedural Lua dialect for CAD (Luametry)

This is a really cool project. I have plans to try and build something 
similar for civboot.org - albeit with a simpler kernel (likely 2D only with 
extrude), which I think you could do quite a lot with in terms of 
manufacturing. I'd love to chat about it (off the list) if that is 
something which would interest you.

Are you compiling luam to lua (either bytecode or syntax)? If you are (or 
could), you could consider implementing it as a library which adds itself 
to the package.searchers, documented under require 
<https://www.lua.org/manual/5.5/manual.html#6.4>. This would allow lua 
modules to import luam and vice-versa.

Best,
Rett

On Saturday, February 14, 2026 at 5:22:29 PM UTC-7 Ben Sivan wrote:

> Hi Martin,
>
> Thanks for the feedback. I'm glad the "Local by default" and "Boolean 
> strictness" resonate with you.
>
> Regarding multiline comments, it is not a hill to die on. Removing them 
> was mostly an exercise in seeing how far I could minimize the syntax. Since 
> the lexer handles triple-quoted strings anyway, I can easily reconsider, if 
> it becomes a nuisance.
>
> Best regards,
> Ben
>
> On Sat, 14 Feb 2026, 12:02 'Martin Eden' via lua-l, <
> [email protected]> wrote:
>
>> On 2026-02-14 15:49, Ben Sivan wrote:
>> > Hello everyone,
>> >
>> > [...]
>> >
>> > As a long-time admirer of Lua’s minimalism, my goal with Luam was to
>> > further constrain the language for a specific domain. In many ways, 
>> Luam is
>> > a "subtractive" dialect; I found that by removing certain features and
>> > standardizing others, I could create a more predictable environment for 
>> 3D
>> > modeling.
>> Hello Ben, I think it's nice project
>>
>> Points where I agree (and don't use in my code anyway):
>>
>> * No metatables
>> * nil is not boolean
>> * Local by default
>>
>> I have no opinion about "enhanced REPL", don't use it much.
>>
>> But decision to remove multiline comments looks strange to me.
>>
>> If you allow multiline strings why forbid multiline comments?
>> They are actually fine, in last ten years I'm moving to block comments
>> describing what following block of code does.
>>
>> -- Martin
>>
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>>
>

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