// +build OMIT package main import ( "fmt" "golang.org/x/text/language" "golang.org/x/text/language/display" ) var userPrefs = []language.Tag{ language.Make("gsw"), // Swiss German language.Make("fr"), // French } var serverLangs = []language.Tag{ language.AmericanEnglish, // en-US fallback language.German, // de } var matcher = language.NewMatcher(serverLangs) func main() { tag, index, confidence := matcher.Match(userPrefs...) fmt.Printf("best match: %s (%s) index=%d confidence=%v\n", display.English.Tags().Name(tag), display.Self.Name(tag), index, confidence) // best match: German (Deutsch) index=1 confidence=High }