author | Johnson Ma <johnson.ma@nokia.com> |
Tue, 30 Mar 2010 14:39:29 +0800 | |
changeset 1 | 96906a986c3b |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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|
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#include "racecar.h" |
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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CRaceCar* CRaceCar::NewL( const TDesC& aColor, TUint aFuelTankSize ) |
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{ |
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CRaceCar* self = NewLC( aColor, aFuelTankSize ); |
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CleanupStack::Pop( self ); |
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return self; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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CRaceCar* CRaceCar::NewLC( const TDesC& aColor, TUint aFuelTankSize ) |
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{ |
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CRaceCar* self = new( ELeave )CRaceCar( aFuelTankSize ); |
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CleanupStack::PushL( self ); |
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self->ConstructL( aColor ); |
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return self; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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CRaceCar::CRaceCar( TUint aFuelTankSize ) |
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: iFuelTankSize( aFuelTankSize ) |
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{ |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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void CRaceCar::ConstructL( const TDesC& aColor ) |
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{ |
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iColor = aColor.AllocL(); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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CRaceCar::~CRaceCar() |
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{ |
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delete iColor; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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TUint CRaceCar::FuelTankSize() const |
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{ |
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return iFuelTankSize; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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TUint CRaceCar::FuelLeft() const |
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{ |
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return iFuel; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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TUint CRaceCar::AddFuel( TUint aFuel ) |
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{ |
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TUint extraFuel = 0; |
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if ( aFuel > iFuelTankSize - iFuel ) |
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{ |
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extraFuel = aFuel- ( iFuelTankSize - iFuel ); |
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iFuel = iFuelTankSize; |
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} |
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else |
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{ |
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iFuel += aFuel; |
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} |
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return extraFuel; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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TInt CRaceCar::Steer( TInt aAngle ) |
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{ |
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if ( ( iDirection + aAngle ) < -KMaxTyreAngle || |
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( iDirection + aAngle ) > KMaxTyreAngle ) |
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{ |
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return KErrArgument; |
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} |
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iDirection += aAngle; |
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return KErrNone; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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TInt CRaceCar::Direction() const |
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{ |
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return iDirection; |
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} |
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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TInt CRaceCar::Accelerate( TUint aForce ) |
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{ |
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if ( iFuel == 0 ) |
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{ |
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return KErrGeneral; |
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} |
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else |
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{ |
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iFuel--; |
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iSpeed += aForce; |
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} |
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return KErrNone; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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150 |
// |
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// ----------------------------------------------------------------------------- |
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// |
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153 |
TUint CRaceCar::Speed() const |
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{ |
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return iSpeed; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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159 |
// |
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160 |
// ----------------------------------------------------------------------------- |
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161 |
// |
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void CRaceCar::Brake( TUint aForce ) |
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{ |
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if ( iSpeed < aForce ) |
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|
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{ |
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iSpeed = 0; |
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} |
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|
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else |
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{ |
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iSpeed -= aForce; |
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} |
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|
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} |
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|
173 |
|
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174 |
// ----------------------------------------------------------------------------- |
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|
175 |
// |
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|
176 |
// ----------------------------------------------------------------------------- |
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|
177 |
// |
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|
178 |
const TDesC& CRaceCar::Color() const |
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|
179 |
{ |
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|
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return *iColor; |
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|
181 |
} |
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|
182 |
|
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|
183 |
// ----------------------------------------------------------------------------- |
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|
184 |
// |
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parents:
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|
185 |
// ----------------------------------------------------------------------------- |
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|
186 |
// |
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|
187 |
void CRaceCar::ChangeColorL( const TDesC& aNewColor ) |
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|
188 |
{ |
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|
189 |
__ASSERT_ALWAYS ( aNewColor.Length() > 0, User::Leave( KErrArgument ) ); |
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parents:
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|
190 |
|
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parents:
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|
191 |
HBufC* tmpColor = aNewColor.AllocL(); |
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|
192 |
delete iColor; |
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parents:
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|
193 |
iColor = tmpColor; |
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parents:
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|
194 |
} |