Golang golang-interface (snippet)

Go programming example 'golang-interface'

golang-interface

Golang beginners example: golang-interface

package main

import (
    "fmt"
    "time"
)

func String(value interface{}) string {
    switch val := value.(type) {
    case bool:
        if value.(bool) == true {
            return "true"
        }
        return "false"
    case time.Duration:
        return string(val.String())
    case time.Time:
        return string(val.Format(time.RFC3339))
    case string:
        return val
    case []byte:
        return string(val)
    default:
        return fmt.Sprintf("%v", val)
    }
}

func main() {
    fmt.Println(String(0x23))
    fmt.Println(String(0xfefe))
    fmt.Println(String(time.Minute * 5))
    fmt.Println(String(time.Now()))
    fmt.Println(String(false))
}

Useful links

• Learn Go: https://golangr.com
• Download Go: https://golang.org