golang数组

go有两种创建数组的方式

1. arr1 := [10]int{0,1,2,3,4,5,6,7,8,9}
2. arr2 := [...]int{0,1,2,3,4,5,6,7,8,9}

runtime表示

type StringHeader struct {
    Data uintptr
    Len  int
}