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39 lines
1.4 KiB
C++
39 lines
1.4 KiB
C++
/* Copyright (C) 2018
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* swift project Community / Contributors
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*
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* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
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* directory of this distribution. No part of swift project, including this file, may be copied, modified, propagated,
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* or distributed except according to the terms contained in the LICENSE file.
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*/
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#include "blackmisc/aviation/aircraftsituationchangelist.h"
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BLACK_DEFINE_SEQUENCE_MIXINS(BlackMisc::Aviation, CAircraftSituationChange, CAircraftSituationChangeList)
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namespace BlackMisc::Aviation
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{
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CAircraftSituationChangeList::CAircraftSituationChangeList() { }
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CAircraftSituationChangeList::CAircraftSituationChangeList(const CSequence<CAircraftSituationChange> &other) :
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CSequence<CAircraftSituationChange>(other)
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{ }
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CAircraftSituationChange CAircraftSituationChangeList::frontOrNull() const
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{
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if (this->isEmpty()) { return CAircraftSituationChange::null(); }
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return this->front();
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}
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CAircraftSituationChange CAircraftSituationChangeList::backOrNull() const
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{
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if (this->isEmpty()) { return CAircraftSituationChange::null(); }
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return this->back();
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}
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CAircraftSituationChange CAircraftSituationChangeList::indexOrNull(int index) const
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{
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if (this->size() > index) { return (*this)[index]; }
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return CAircraftSituationChange::null();
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}
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} // namespace
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