}

func (e http2ErrCode) String() string {
	if s, ok := http2errCodeName[e]; ok {
		return s
	}
	return fmt.Sprintf("unknown error code 0x%x", uint32(e))
}

func (e http2ErrCode) stringToken() string {
	if s, ok := http2errCodeName[e]; ok {
		return s
	}
	return fmt.Sprintf("ERR_UNKNOWN_%d", uint32(e))
}

// ConnectionError is an error that results in the termination of the

	// NotInToken represents not in
	NotInToken
	// OpenParToken represents open parenthesis
	OpenParToken
)

// string2token contains the mapping between lexer Token and token literal
// (except IdentifierToken, EndOfStringToken and ErrorToken since it makes no sense)
var string2token = map[string]Token{
	")":     ClosedParToken,
	",":     CommaToken,
	"!":     DoesNotExistToken,
	"==":    DoubleEqualsToken,