Third-party-imports-and-multiple-files-in-Go-Playground.go

// Example of how third-party imports and multiple files can be used in Go playground
package main

import (
	"fmt"

	"github.com/common-nighthawk/go-figure"
	"your.universe/worlds"
)

func main() {
	worldOf := worlds.WorldOf("GoT")
	myFigure := figure.NewFigure(fmt.Sprintf("Hello, %s!", worldOf), "", true)
	myFigure.Print()
}

-- go.mod --
module your.universe

-- worlds/world.go --
package worlds

import "fmt"

func WorldOf(name string) string {
	return fmt.Sprintf("World of %s", name)
}