golang-greetings/greetings.go

18 lines
398 B
Go

package greetings
import "fmt"
import "errors"
// Hello returns a greeting for the named person.
func Hello(name string) string {
// If no name was given, return an error with a message.
if name == "" {
return "", errors.New("empty name")
}
// Return a greeting that embeds the name in a message.
message := fmt.Sprintf("Hi, %v. Welcome!", name)
return message
}