Cosmo/examples/increment.cosmo

proto Vector
    func __init(self)
        self.vector = []
        self.x = 0
    end

    func push(self, val)
        self.vector[self.x++] = val
    end 

    func pop(self)
        return self.vector[--self.x]
    end

    func __index(self, key)
        return self.vector[key]
    end

    func __iter(self)
        // you don't *have* to make a new object, i just wanted to show off anonymous functions
        return {__next = (function(self)             
                return self.vector[self.iterIndex++]
            end), 
            iterIndex = 0,
            vector = self.vector
        }
    end
end

let vector = Vector()

for (let i = 0; i < 100000; i++) do
    vector:push(i)
end

local total = 0
for i in vector do
    print(i)
end