mirror of
https://github.com/triqs/dft_tools
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45 lines
1.8 KiB
C++
45 lines
1.8 KiB
C++
/*******************************************************************************
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*
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* TRIQS: a Toolbox for Research in Interacting Quantum Systems
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*
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* Copyright (C) 2011 by O. Parcollet
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*
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* TRIQS is free software: you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* TRIQS is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* TRIQS. If not, see <http://www.gnu.org/licenses/>.
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*
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******************************************************************************/
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#ifndef TRIQS_PYTHON_CYTHON_PROXY_H
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#define TRIQS_PYTHON_CYTHON_PROXY_H
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#include <utility>
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namespace triqs { namespace python_tools {
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// Wrap a C++ view into an object which has *value* semantics
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// operator = remapped to <<=
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// This class must be friend of V, to use the private default constructor.
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template<typename V> class cython_proxy : public V {
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public:
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cython_proxy() : V(typename V::non_view_type()) {}
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cython_proxy(V const &v) : V(v){};
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cython_proxy(cython_proxy const & cp) : V(cp) {};
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template<typename ... Args> explicit cython_proxy(Args && ... args) : V (std::forward<Args>(args)...){}
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cython_proxy & operator = ( cython_proxy const & cp ) { this->rebind(cp); return *this;}
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cython_proxy & operator = ( V const & v ) { this->rebind(v); return *this;}
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template<typename V2> void operator << ( V2 && v) { V::operator=( std::forward<V2>(v) );}
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};
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}}//namespace triqs
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#endif
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