table.find
Returns the numeric index of the first occurence of value, starting from init, or nil if value isn't present in the table. The default for init is 1.
find(table, value: any [, init: integer(1)]) -> anyReturns the numeric index of the first occurence of value, starting from init, or nil if value isn't present in the table. The default for init is 1.
find(table, value: any [, init: integer(1)]) -> any