package main



type geometry interface {
    area() int
    perim() int
}

func a() []int {
    a1 := []int{3}
    a2 := a1[1:]
    return a2
}



func main() {
   
   //var n = ffi(geometry, "test", 1, 2, 3, "haha", 5)
   //var i = n.area()
   //assert(i == 666)

  
}