golang 多态

//多态
package main

import "fmt"

type Functype func(int, int) int//定义函数类型

func Calc(a int, b int, fun Functype) int {
    result := fun(a, b) //回调机制
    return result
}

func Add(a, b int) int{
    return a + b
}

func Munic(a, b int) int {
    return a - b
}

func Mult(a, b int) int {
    return a * b
}

func main() {
    result := Calc(3,6, Add)
    fmt.Println("result = ", result)
}

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