the-way-to-go_ZH_CN/eBook/exercises/chapter_6/lambda_value.go

// lambda_value.go
package main

import (
	"fmt"
)

func main() {
	fv := func() {
		fmt.Println("Hello World!")
	}
	fv()
	fmt.Printf("The type of fv is %T", fv)
}

/* Output:
Hello World!
The type of fv is func()
*/