Re: Table length evaluations --> Lua 5.5 vs. Lua 5.4

Indeed:

[C:\...\tests]> lua -e "print(_VERSION); t={nil,true}; print(#t)"
Lua 5.5
0

[C:\...\tests]> lua -e "print(_VERSION); t={nil,true,true}; print(#t)"
Lua 5.5
0

[C:\...\tests]> lua -e "print(_VERSION); t={nil,true,true,true}; print(#t)"
Lua 5.5
4

[C:\...\tests]> lua -e "print(_VERSION); t={nil,true,true,true,true}; 
print(#t)"
Lua 5.5
5

[C:\...\tests]> lua -e "print(_VERSION); t={nil,true,true,true,true,true}; 
print(#t)"
Lua 5.5
6

I mean, is the the intented behavior?
Błażej Roszkowski schrieb am Sonntag, 15. Februar 2026 um 13:05:07 UTC+1:

> It seems there are still bugs. Comment in C source says "or 0 if t[1] is 
> absent" but
> for {nil, 1, 1, 1} the # yields 4 (due to *lenhint being 2 so 1 is never 
> checked).
>
> On Sun, 15 Feb 2026 at 12:15, 'Sainan' via lua-l <[email protected]> 
> wrote:
>
>> Already discussed: 
>> https://groups.google.com/g/lua-l/c/pOH68GYtDgw/m/BFAORSs5DAAJ
>>
>> -- Sainan
>>
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>>
>

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