Files
the-way-to-go_ZH_CN/eBook/examples/chapter_6/function_parameter.go

21 lines
289 B
Go

// function_parameter.go
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)
}
// Output: The sum of 1 and 2 is: 3