Commit 9c74abb7 authored by Mark Olesen's avatar Mark Olesen
Browse files

ENH: zero::null::dummy, when dereferencing and dummy assignment are needed

parent 72eb5503
......@@ -88,9 +88,10 @@ const std::string Foam::foamVersion::version
#include "new.C"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Create the nullObject singleton
// The nullObject singleton and a dummy zero singleton
#include "nullObject.C"
#include "zero.C"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Global IO streams
......
/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2019 OpenCFD Ltd.
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
\*---------------------------------------------------------------------------*/
#include "zero.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
Foam::zero::null Foam::zero::null::dummy;
// ************************************************************************* //
......@@ -29,6 +29,7 @@ Description
manipulating objects that are known to be 'zero' at compile-time.
SourceFiles
zero.C
zeroI.H
\*---------------------------------------------------------------------------*/
......@@ -105,6 +106,9 @@ class zero::null
public:
typedef null value_type;
//- A static zero::null for dereferencing as a dummy element
static null dummy;
//- Null constructible
constexpr null() noexcept{}
......
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