Golang golang-map02 (snippet)

Go programming example 'golang-map02'

golang-map02

Golang beginners example: golang-map02

package main

import "fmt"

func main() {
    createMap()
}

func createMap() {
    //initialize map with key and value as string
    var stringMap = make(map[string]string)

    //add keys to map
    stringMap["A"] = "AAA"
    stringMap["B"] = "BBB"
    stringMap["C"] = "CCC"

    fmt.Print(stringMap)

    //delete key
    delete(stringMap, "A")

    //initialize map with key and value using a map literal
    var intMap = map[int]string{
        1: "one",
        2: "two",
        3: "three",
    }

    fmt.Print(intMap)

    //access item from map
    value, ok := intMap[1] //ok is true if item exists
    if ok {
        fmt.Printf("Key = 1; Value =%v", value)
    }
}

Useful links

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