/usr/include/sigx-2.0/sigx/ref.h is in libsigx-2.0-dev 2.0.2-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 | #ifndef _SIGX_AUTO_REF_H_
#define _SIGX_AUTO_REF_H_
/*
* Copyright 2008 Klaus Triendl
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/** @file Template function "ref" exactly the same as sigc::ref but
* overloaded for types already being wrapped in a
* sigc::reference_wrapper such that ref() returns a new
* reference_wrapper for the type to be wrapped instead of
* wrapping the reference_wrapper itself.
*/
#include <sigc++/reference_wrapper.h>
namespace sigx
{
template <class T_type>
sigc::reference_wrapper<T_type> ref(T_type& v)
{
return sigc::reference_wrapper<T_type>(v);
}
template <class T_type>
sigc::const_reference_wrapper<T_type> ref(const T_type& v)
{
return sigc::const_reference_wrapper<T_type>(v);
}
template <class T_type>
sigc::reference_wrapper<T_type> ref(const sigc::reference_wrapper<T_type>& v)
{
return sigc::reference_wrapper<T_type>(v);
}
template <class T_type>
sigc::const_reference_wrapper<T_type> ref(const sigc::const_reference_wrapper<T_type>& v)
{
return sigc::const_reference_wrapper<T_type>(v);
}
} // namespace sigx
#endif // file guard
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