How to make pointer on lua

[minor plinth]

This script doesnt change the variable upd i put in

[mossy hamlet]

That's just gonna update the parameter variable. What is upd from

[minor plinth]

i want to use it in sth like this

in C++ i used to use sth called pointer

but i cant find it in lua or any alternatives

[minor plinth]

@mossy hamlet any ideas?

[gusty carbon]

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