How to wipe or reset a table in Lua

Question

How would I go about completely wiping or resetting a table in Lua. I want to make it into a blank table in the end.

Answer 1

You iterate over the keys and make them nil.

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

If it's an array then remove values with table.remove()

Answer 2

What about this way?

t = {..some non-empty table..}
...some code...
t={}