Returns an iterator function for integer keys in a table. Return values are such that the construction
for k,v in ipairs(t) do
-- body
end
will iterate over the pairs 1,t[1], 2,t[2], etc, up to the first integer key absent from the table.
See also Lua library functions.
Signature:
iterator, t, index = ipairs(t)
Arguments:
t- A table (table)
Returns:
iterator- An iterator (function)t- The table provided (table)index- Always 0; used internally (number)
This function is defined in the Lua standard libraries