cannot convert data (type interface {}) to type string: need type assertion

Question

I am pretty new to go and I was playing with this notify package.

At first I had code that looked like this:

func doit(w http.ResponseWriter, r *http         


        

Answer 1

As asked for by @ρяσѕρєя an explanation can be found at https://golang.org/pkg/fmt/#Sprint. Related explanations can be found at https://stackoverflow.com/a/44027953/12817546 and at https://stackoverflow.com/a/42302709/12817546. Here is @Yuanbo's answer in full.

package main

import "fmt"

func main() {
    var data interface{} = 2
    str := fmt.Sprint(data)
    fmt.Println(str)
}