expected< TValue > Struct Template Reference

#include <expected.h>

Collaboration diagram for expected< TValue >:

Public Member Functions
constexpr	expected (const unexpected_t &)
constexpr	expected (UnexpectedCode code)
constexpr	expected (TValue validValue)
constexpr	operator bool () const
constexpr TValue	value_or (TValue valueIfInvalid) const
bool	operator== (const expected< TValue > &other) const

Data Fields
bool	Valid
union {
TValue   Value
UnexpectedCode   Code
};

Detailed Description

template<class TValue>
struct expected< TValue >

Definition at line 37 of file expected.h.

Constructor & Destructor Documentation

expected() [1/3]

template<class TValue >

constexpr expected< TValue >::expected ( const unexpected_t &  )

inlineconstexpr

Definition at line 46 of file expected.h.

: Valid(false), Code{UnexpectedCode::Unknown} {}

expected() [2/3]

template<class TValue >

constexpr expected< TValue >::expected ( UnexpectedCode  code )

inlineconstexpr

Definition at line 48 of file expected.h.

: Valid(false), Code{code} {}

expected() [3/3]

template<class TValue >

constexpr expected< TValue >::expected ( TValue  validValue )

inlineconstexpr

Definition at line 51 of file expected.h.

        : Valid(true)
        , Value(validValue)
    {
    }

Member Function Documentation

operator bool()

template<class TValue >

constexpr expected< TValue >::operator bool ( ) const

inlineexplicitconstexpr

Definition at line 58 of file expected.h.

                                             {
        return Valid;
    }

operator==()

template<class TValue >

bool expected< TValue >::operator== ( const expected< TValue > &  other ) const

inline

Definition at line 67 of file expected.h.

                                                          {
        // If validity mismatch, not equal
        if (Valid != other.Valid) {
            return false;
        }
        
        // If both are invalid, they are equal
        if (!Valid && !other.Valid) {
            return true;
        }
 
        // Both are guaranteed valid - simply compare values
        return Value == other.Value;
    }

value_or()

template<class TValue >

constexpr TValue expected< TValue >::value_or ( TValue  valueIfInvalid ) const

inlineconstexpr

Definition at line 63 of file expected.h.

                                                           {
        return Valid ? Value : valueIfInvalid;
    }

Referenced by canMazdaRX8(), WallFuelController::computeBeta(), WallFuelController::computeTau(), InjectorModel::getAbsoluteRailPressure(), getBaroCorrection(), getCrankingFuel3(), IFuelComputer::getLoadOverride(), SpeedDensityAirmass::getMap(), Sensor::getOrZero(), GppwmChannel::getOutput(), IdleController::getRunningOpenLoop(), initMapDecoder(), mapAveragingAdcCallback(), populateFrame(), printMAPInfo(), rpmShaftPositionCallback(), TwoPinDcMotor::set(), CJ125::SetHeater(), BoostController::setOutput(), EtbController::setOutput(), updateThrottles(), and updateTunerStudioState().

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Field Documentation

union { ... }

Code

template<class TValue >

UnexpectedCode expected< TValue >::Code

Definition at line 42 of file expected.h.

Valid

template<class TValue >

bool expected< TValue >::Valid

Definition at line 38 of file expected.h.

Referenced by EtbController::checkStatus(), priv::FuncChain< TFirst, TRest... >::convert(), isPedalError(), isTps1Error(), isTps2Error(), expected< TValue >::operator bool(), expected< TValue >::operator==(), updateThrottles(), and expected< TValue >::value_or().

Value

template<class TValue >

TValue expected< TValue >::Value

Definition at line 41 of file expected.h.

Referenced by priv::FuncChain< TFirst, TRest... >::convert(), IdleController::determinePhase(), TriggerDecoderBase::findTriggerZeroEventIndex(), InjectorModel::getInjectorFlowRatio(), ClosedLoopController< TInput, TOutput >::getOutput(), GppwmChannel::getOutput(), hwHandleVvtCamSignal(), TriggerCentral::isToothExpectedNow(), expected< TValue >::operator==(), SingleTimerExecutor::scheduleTimerCallback(), EtbController::setOutput(), VvtController::setOutput(), and expected< TValue >::value_or().

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The documentation for this struct was generated from the following file:

• util/expected.h