将函数作为参数
package main
import (
"fmt"
)
func main() {
callback(1, Add)
}
func Add(a, b int) {
fmt.Printf("The sum of %d and %d is: %d\n", a, b, a+b)
}
func callback(y int, f func(int, int)) {
f(y, 2) // this becomes Add(1, 2)
}The sum of 1 and 2 is: 3链接
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