golang 数组 切片 Map rune

1、数组golang package main import "fmt" func printArray(arr [5]int) {//没法改变原值 arr[0] = 100 for i, v := range arr { //遍历数组 fmt.Println(i, v) } } func main() { var arr1 [5]int arr2 := [3]int{1, 3

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