How to create multiline strings in Golang

multiline_strings.go

/*
How to create multiline strings in Golang
twitter@hector_gool
https://play.golang.org/p/iR5Tt-iwSR
*/

package main

import (
	"fmt"
	"strconv"
)

func main() {

	//the first solution
	fmt.Println("curl -u elastic:changeme -XPUT http://localhost:9200/my_index/users/1?pretty -d '{")
	fmt.Println("	\"firstname\" : \"Rodolfo\",")
	fmt.Println("	\"lastname\" : \"Guzmán Huerta\",")
	fmt.Println("	\"alias\" : \"El Santo\"")
	fmt.Println("}'")
	

	curl1 :=
		`
	curl -u elastic:changeme -XPUT http://localhost:9200/my_index/users/1?pretty -d '{
		"firstname" : "Rodolfo",
		"lastname" : "Guzmán Huerta",
		"alias" : "El Santo"
	}'
	`
	fmt.Println(curl1)

	id := 2
	firstname := "Daniel"
	lastname := "García Arteaga"
	alias := "Huracán Ramírez"

	// the second solutión
	fmt.Println("The second solutión:\n")
	fmt.Printf("curl -u elastic:changeme -XPUT http://localhost:9200/my_index/users/%v?pretty -d '{", id)
	fmt.Printf("	\"firstname\" : \"%v\",", firstname)
	fmt.Printf("	\"lastname\" : \"%v\",", lastname)
	fmt.Printf("	\"alias\" : \"%v\"", alias)
	fmt.Printf("}'")


	fmt.Println("\n\nThe best solutión:\n")

	// the Itoa function of the package strconv is to convert an int value to string
	// the best solution
	curl2 :=
		`
	curl -u elastic:changeme -XPUT http://localhost:9200/my_index/users/` + strconv.Itoa(id) + `?pretty -d '{
		"firstname" : "` + firstname + `",
		"lastname" : "` + lastname + `",
		"alias" : "` + alias + `"
	}'
	`
	fmt.Println(curl2)

}