Question

How to use type assertion to access interface value in Go

Answer 1

package main

import "fmt"

func main() {
	var i interface{} = "A String"

	s := i.(string)
	fmt.Println(s)

	s, b := i.(string)
	fmt.Println(s, b)

	f, b := i.(float64)
	fmt.Println(f, b)
}



/*
run:

A String
A String true
0 false

*/

 

70+ SQL courses for beginners and professionals