how to delete all elements in a Lua table?

Question

How do I delete all elements inside a Lua table? I don\'t want to do:

t = {}
table.insert(t, 1)
t = {}  -- this assigns a new pointer to t

I w

Answer 1

easiest and most performant:

for k,v in pairs(tab) do tab[k]=nil end

What you suggest isn't usable: table.remove shifts the remaining elements to close the hole, and thus messes up the table traversal. See the description for the next function for more info