f2e3c1c422
- This can be used as a convenient alternative to comparing against end().
Eg,
dictionaryConstructorTable::iterator cstrIter =
dictionaryConstructorTablePtr_->find(methodType);
if (cstrIter.found())
{
...
}
vs.
if (cstrIter != dictionaryConstructorTablePtr_->end())
{
...
}
82 lines
2.3 KiB
C
82 lines
2.3 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 2011 OpenFOAM Foundation
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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Application
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Test-Map
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Description
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\*---------------------------------------------------------------------------*/
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#include "Map.H"
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#include <map>
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#include "IOstreams.H"
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using namespace Foam;
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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int main(int argc, char *argv[])
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{
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Map<bool> banana{{5, true}};
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// Taking a const iterator from find does not work!
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// Also, fails later on op==
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Map<bool>::const_iterator bananaIter = banana.find(5);
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// This works but now I can change the value.
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//Map<bool>::iterator bananaIter = banana.find(5);
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if (!bananaIter.found()) // same as (bananaIter == banana.end())
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{
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Info<< "not found" << endl;
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}
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else
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{
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Info<< "5 is " << bananaIter() << endl;
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}
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// Same with STL
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Info<< "Same with STL" << endl;
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std::map<label, bool> STLbanana{{5, true}};
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std::map<label, bool>::const_iterator STLbananaIter = STLbanana.find(5);
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if (STLbananaIter == STLbanana.end())
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{
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Info<< "not found" << endl;
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}
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else
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{
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Info<< "5 is " << STLbananaIter->second << endl;
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}
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Info<< "End\n" << endl;
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return 0;
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}
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// ************************************************************************* //
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