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luakey-valuelua-table

How to print single value of a table in lua

I can't figure out how to print a single value in tab2.

I'm trying to get the same result of when I print tab1.

I don't care about the order I just need to print a single pair(get the the key and the value), or pop it from the tab2 (with something like table.remove(tab1,1))

tab1= {{x=1},{y=2}}
tab2= {x=3, y=4}

for k,v in pairs(tab1[1]) do
    print(k,v)
end

for k,v in pairs(tab2) do
    print(k,v)
end

I'm having difficult with tables, I started study three days ago so I'm a principiant.

Thank you

Solution

  • To print a single value from tab2 you do

    print(tab2["x"]) or print(tab2["y"]).

    Or short:

    print(tab2.x) or print(tab2.y)

    Thank you for your fast response. I need a way to do it when I don't know the key.

    In order to get a single value from a table without providing a key you can use next

    print(next(tab2))