// Chapter 26 example: a method belongs to a value, and a package function
// belongs to a package.
// Run with: go run exercises/26/04-method-or-function.go

package main

import (
	"errors"
	"fmt"
	"strings"
)

func main() {
	name := "keiko"

	// A function from the strings package. The string goes in as an argument.
	fmt.Println(strings.ToUpper(name)) // KEIKO

	// A method. err is a value, and Error is a method you can call on it.
	err := errors.New("out of arrows")
	fmt.Println(err.Error()) // out of arrows
}