s := strings.Split("", "")
fmt.Println(s, len(s))
s = strings.Split("abc,abc", "")
fmt.Println(s, len(s))
s = strings.Split("", ",")
fmt.Println(s, len(s))
s = strings.Split("abc,abc", ",")
fmt.Println(s, len(s))
s = strings.Split("abc,abc", "|")
fmt.Println(s, len(s))
fmt.Println(len(""))
fmt.Println(len([]string{""}))
str := ""
fmt.Println(str[0])數組
運行結果:string
[] 0 //返回空數組
[a b c , a b c] 7 //返回7個數組元素
[] 1 //返回一個包含空字符元素的數組, 數組長度是1
[abc abc] 2
[abc,abc] 1
0
1
panic: runtime error: index out of range
it