Go 值传递 Go 调用函数 Go 引用传递 Go 值传递 package main import "fmt" func main() { /* local variable definition */ var a int = 100 var b int = 200 fmt.Printf("Before swap, value of a : %d\n", a ) fmt.Printf("Before swap, value of b : %d\n", b ) /* calling a function to swap the values */ swap(a, b) fmt.Printf("After swap, value of a : %d\n", a ) fmt.Printf("After swap, value of b : %d\n", b ) } func swap(x, y int) int { var temp int temp = x /* save the value of x */ x = y /* put y into x */ y = temp /* put temp into y */ return temp; } Go 调用函数 Go 引用传递