How to convert a rune to unicode-style-string like `\u554a` in Golang?

Question

If you run fmt.Println(\"\\u554a\"), it shows \'啊\'.

But how to get unicode-style-string \\u554a from a rune \'啊\' ?

Answer 1

package main

import "fmt"

func main() {
    fmt.Printf("%+q", '啊')
}