func golang.org/x/text/internal/language.getLangID

4 uses

	golang.org/x/text/internal/language (current package)
		language.go#L473: 	return getLangID(buf[:copy(buf[:], s)])
		lookup.go#L39: func getLangID(s []byte) (Language, error) {
		parse.go#L294: 	t.LangID, e = getLangID(scan.token)
		parse.go#L302: 		lang, e := getLangID(scan.token)

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