> What can you do with a closure? You can call it. What can you do with an object? You can not call it. It's a good thing Lua doesn't have objects! Because in

> What can you do with a closure? You can call it. What can you do with an object? You can not call it. It's a good thing Lua doesn't have objects! Because in Lua, you can call a table if it has a `__call` metamethod, this is valid Lua: (setmetatable({a = 5}, {__call = function(t) return t.a end}))() which returns 5.