lit := s.segment()
	if len(lit) >= 2 {
		if tok := keywordMap[hash(lit)]; tok != 0 && tokStrFast(tok) == string(lit) {
			s.nlsemi = contains(1<<_Break|1<<_Continue|1<<_Fallthrough|1<<_Return, tok)
			s.tok = tok
			return
		}
	}

	s.nlsemi = true
	s.lit = string(lit)
	s.tok = _Name
}

// tokStrFast is a faster version of token.String, which assumes that tok