OperationResult's original definition in the XDR file is:
union OperationResult switch (OperationResultCode code)
{
case opINNER:
union switch (OperationType type)
{
case CREATE_ACCOUNT:
CreateAccountResult createAccountResult;
case PAYMENT:
PaymentResult paymentResult;
case PATH_PAYMENT_STRICT_RECEIVE:
PathPaymentStrictReceiveResult pathPaymentStrictReceiveResult;
case MANAGE_SELL_OFFER:
ManageSellOfferResult manageSellOfferResult;
case CREATE_PASSIVE_SELL_OFFER:
ManageSellOfferResult createPassiveSellOfferResult;
case SET_OPTIONS:
SetOptionsResult setOptionsResult;
case CHANGE_TRUST:
ChangeTrustResult changeTrustResult;
case ALLOW_TRUST:
AllowTrustResult allowTrustResult;
case ACCOUNT_MERGE:
AccountMergeResult accountMergeResult;
case INFLATION:
InflationResult inflationResult;
case MANAGE_DATA:
ManageDataResult manageDataResult;
case BUMP_SEQUENCE:
BumpSequenceResult bumpSeqResult;
case MANAGE_BUY_OFFER:
ManageBuyOfferResult manageBuyOfferResult;
case PATH_PAYMENT_STRICT_SEND:
PathPaymentStrictSendResult pathPaymentStrictSendResult;
case CREATE_CLAIMABLE_BALANCE:
CreateClaimableBalanceResult createClaimableBalanceResult;
case CLAIM_CLAIMABLE_BALANCE:
ClaimClaimableBalanceResult claimClaimableBalanceResult;
case BEGIN_SPONSORING_FUTURE_RESERVES:
BeginSponsoringFutureReservesResult beginSponsoringFutureReservesResult;
case END_SPONSORING_FUTURE_RESERVES:
EndSponsoringFutureReservesResult endSponsoringFutureReservesResult;
case REVOKE_SPONSORSHIP:
RevokeSponsorshipResult revokeSponsorshipResult;
case CLAWBACK:
ClawbackResult clawbackResult;
case CLAWBACK_CLAIMABLE_BALANCE:
ClawbackClaimableBalanceResult clawbackClaimableBalanceResult;
case SET_TRUST_LINE_FLAGS:
SetTrustLineFlagsResult setTrustLineFlagsResult;
case LIQUIDITY_POOL_DEPOSIT:
LiquidityPoolDepositResult liquidityPoolDepositResult;
case LIQUIDITY_POOL_WITHDRAW:
LiquidityPoolWithdrawResult liquidityPoolWithdrawResult;
case INVOKE_HOST_FUNCTION:
InvokeHostFunctionResult invokeHostFunctionResult;
case EXTEND_FOOTPRINT_TTL:
ExtendFootprintTTLResult extendFootprintTTLResult;
case RESTORE_FOOTPRINT:
RestoreFootprintResult restoreFootprintResult;
}
tr;
case opBAD_AUTH:
case opNO_ACCOUNT:
case opNOT_SUPPORTED:
case opTOO_MANY_SUBENTRIES:
case opEXCEEDED_WORK_LIMIT:
case opTOO_MANY_SPONSORING:
void;
};