| 12345678910111213141516171819202122232425262728293031323334353637 | package protocolfunc (u *User) GetTypedAccount() (Account, error) {	if u.GetAccount() == nil {		return nil, newError("Account missing").AtWarning()	}	rawAccount, err := u.Account.GetInstance()	if err != nil {		return nil, err	}	if asAccount, ok := rawAccount.(AsAccount); ok {		return asAccount.AsAccount()	}	if account, ok := rawAccount.(Account); ok {		return account, nil	}	return nil, newError("Unknown account type: ", u.Account.Type)}func (u *User) ToMemoryUser() (*MemoryUser, error) {	account, err := u.GetTypedAccount()	if err != nil {		return nil, err	}	return &MemoryUser{		Account: account,		Email:   u.Email,		Level:   u.Level,	}, nil}type MemoryUser struct {	Account Account	Email   string	Level   uint32}
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