9.数组

package main
import "fmt"
func main() {
    var a [10]int
    b:= [10]int{1,2,3,4,5,6,7}
    for i := 0; i < len(a); i++ {
        fmt.Println(a[i])
    }
    for i := 0; i < len(a); i++ {
        fmt.Println(a[i])
    }
    for index, value := range b {
        fmt.Println(index,value)
    }
}

package main
import "fmt"
func printArray(myArray [4]int)  {
    for index, value := range myArray {
        fmt.Println(index,value)
    }
}
func main() {
    //固定数组
    a:=[4]int{1,2,3,4}
    printArray(a)
}

package main
import "fmt"
func printArray(myArray []int)  {
    //_表示匿名的变量
    for _, value := range myArray {
        fmt.Println(value)
    }
    myArray[0]=100
}
func main() {
    myArray := []int{1,2,3,4}   //动态数组
    printArray(myArray)
    //动态在传参上是引用传递
    for index, value := range myArray {
        fmt.Println(index,value)
    }
}