/usr/include/loki/Function.h is in libloki-dev 0.1.7-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// The Loki Library
// Copyright (c) 2005 Peter Kümmel
// Permission to use, copy, modify, distribute and sell this software for any
// purpose is hereby granted without fee, provided that the above copyright
// notice appear in all copies and that both that copyright notice and this
// permission notice appear in supporting documentation.
// The author makes no representations about the
// suitability of this software for any purpose. It is provided "as is"
// without express or implied warranty.
////////////////////////////////////////////////////////////////////////////////
#ifndef LOKI_FUNCTION_INC_
#define LOKI_FUNCTION_INC_
// $Id: Function.h 841 2008-03-24 23:58:28Z rich_sposato $
#define LOKI_ENABLE_FUNCTION
#include <stdexcept>
#include <loki/Functor.h>
#include <loki/Sequence.h>
namespace Loki
{
////////////////////////////////////////////////////////////////////////////////
/// \struct Function
///
/// \ingroup FunctorGroup
/// Allows a boost/TR1 like usage of Functor.
///
/// \par Usage
///
/// - free functions: e.g. \code Function<int(int,int)> f(&freeFunction);
/// \endcode
/// - member functions: e.g \code Function<int()> f(&object,&ObjectType::memberFunction);
/// \endcode
///
/// see also test/Function/FunctionTest.cpp (the modified test program from boost)
////////////////////////////////////////////////////////////////////////////////
template<class R = void()>
struct Function;
template<class R>
struct Function<R()> : public Functor<R>
{
typedef Functor<R> FBase;
Function() : FBase() {}
Function(const Function& func) : FBase()
{
if( !func.empty())
FBase::operator=(func);
}
// test on emptiness
template<class R2>
Function(Function<R2()> func) : FBase()
{
if(!func.empty())
FBase::operator=(func);
}
// clear by '= 0'
Function(const int i) : FBase()
{
if(i==0)
FBase::clear();
else
throw std::runtime_error("Loki::Function(const int i): i!=0");
}
template<class Func>
Function(Func func) : FBase(func) {}
template<class Host, class Func>
Function(const Host& host, const Func& func) : FBase(host,func) {}
};
////////////////////////////////////////////////////////////////////////////////
// macros for the repetitions
////////////////////////////////////////////////////////////////////////////////
#define LOKI_FUNCTION_BODY \
\
Function() : FBase() {} \
\
Function(const Function& func) : FBase() \
{ \
if( !func.empty()) \
FBase::operator=(func); \
} \
\
Function(const int i) : FBase() \
{ \
if(i==0) \
FBase::clear(); \
else \
throw std::runtime_error( \
"Loki::Function(const int i): i!=0"); \
} \
\
template<class Func> \
Function(Func func) : FBase(func) {} \
\
template<class Host, class Func> \
Function(const Host& host, const Func& func): FBase(host,func) {}
#define LOKI_FUNCTION_R2_CTOR_BODY \
\
: FBase() \
{ \
if(!func.empty()) \
FBase::operator=(func); \
}
////////////////////////////////////////////////////////////////////////////////
// repetitions
////////////////////////////////////////////////////////////////////////////////
template<>
struct Function<>
: public Loki::Functor<>
{
typedef Functor<> FBase;
template<class R2>
Function(Function<R2()> func)
LOKI_FUNCTION_R2_CTOR_BODY
LOKI_FUNCTION_BODY // if compilation breaks here then
// Function.h was not included before
// Functor.h, check your include order
// or define LOKI_ENABLE_FUNCTION
};
template<class R,class P01>
struct Function<R(P01)>
: public Loki::Functor<R, Seq<P01> >
{
typedef Functor<R, Seq<P01> > FBase;
template<class R2,class Q01>
Function(Function<R2(Q01)> func)
LOKI_FUNCTION_R2_CTOR_BODY
LOKI_FUNCTION_BODY
};
template<class R,class P01,class P02>
struct Function<R(P01,P02)>
: public Functor<R, Seq<P01,P02> >
{
typedef Functor<R, Seq<P01,P02> > FBase;
template<class R2,class Q01, class Q02>
Function(Function<R2(Q01,Q02)> func)
LOKI_FUNCTION_R2_CTOR_BODY
LOKI_FUNCTION_BODY
};
template<class R,class P01,class P02, class P03>
struct Function<R(P01,P02,P03)>
: public Functor<R, Seq<P01,P02,P03> >
{
typedef Functor<R, Seq<P01,P02,P03> > FBase;
template<class R2,class Q01, class Q02,class Q03>
Function(Function<R2(Q01,Q02,Q03)> func)
LOKI_FUNCTION_R2_CTOR_BODY
LOKI_FUNCTION_BODY
};
template<class R,class P01,class P02, class P03,class P04>
struct Function<R(P01,P02,P03,P04)>
: public Functor<R, Seq<P01,P02,P03,P04> >
{
typedef Functor<R, Seq<P01,P02,P03,P04> > FBase;
template<class R2,class Q01,class Q02, class Q03,class Q04>
Function(Function<R2(Q01,Q02,Q03,Q04)> func)
LOKI_FUNCTION_R2_CTOR_BODY
LOKI_FUNCTION_BODY
};
template<class R,class P01,class P02, class P03,class P04,class P05>
struct Function<R(P01,P02,P03,P04,P05)>
: public Functor<R, Seq<P01,P02,P03,P04,P05> >
{
typedef Functor<R, Seq<P01,P02,P03,P04,P05> > FBase;
template<class R2,class Q01,class Q02, class Q03,class Q04,class Q05>
Function(Function<R2(Q01,Q02,Q03,Q04,Q05)> func)
LOKI_FUNCTION_R2_CTOR_BODY
LOKI_FUNCTION_BODY
};
template<class R, class P01,class P02, class P03,class P04,class P05,
class P06>
struct Function<R(P01,P02,P03,P04,P05,P06)>
: public Functor<R, Seq<P01,P02,P03,P04,P05,P06> >
{
typedef Functor<R, Seq<P01,P02,P03,P04,P05,P06> > FBase;
template<class R2, class Q01,class Q02, class Q03,class Q04,class Q05,
class Q06>
Function(Function<R2(Q01,Q02,Q03,Q04,Q05,Q06)> func)
LOKI_FUNCTION_R2_CTOR_BODY
LOKI_FUNCTION_BODY
};
template<class R, class P01,class P02, class P03,class P04,class P05,
class P06,class P07>
struct Function<R(P01,P02,P03,P04,P05,P06,P07)>
: public Functor<R, Seq<P01,P02,P03,P04,P05,P06,P07> >
{
typedef Functor<R, Seq<P01,P02,P03,P04,P05,P06,P07> > FBase;
template<class R2, class Q01,class Q02, class Q03,class Q04,class Q05,
class Q06,class Q07>
Function(Function<R2(Q01,Q02,Q03,Q04,Q05,Q06,Q07)> func)
LOKI_FUNCTION_R2_CTOR_BODY
LOKI_FUNCTION_BODY
};
template<class R, class P01,class P02, class P03,class P04,class P05,
class P06,class P07, class P08>
struct Function<R(P01,P02,P03,P04,P05,P06,P07,P08)>
: public Functor<R, Seq<P01,P02,P03,P04,P05,P06,P07,P08> >
{
typedef Functor<R, Seq<P01,P02,P03,P04,P05,P06,P07,P08> > FBase;
template<class R2, class Q01,class Q02, class Q03,class Q04,class Q05,
class Q06,class Q07, class Q08>
Function(Function<R2(Q01,Q02,Q03,Q04,Q05,Q06,Q07,Q08)> func)
LOKI_FUNCTION_R2_CTOR_BODY
LOKI_FUNCTION_BODY
};
template<class R, class P01,class P02, class P03,class P04,class P05,
class P06,class P07, class P08,class P09>
struct Function<R(P01,P02,P03,P04,P05,P06,P07,P08,P09)>
: public Functor<R, Seq<P01,P02,P03,P04,P05,P06,P07,P08,P09> >
{
typedef Functor<R, Seq<P01,P02,P03,P04,P05,P06,P07,P08,P09 > > FBase;
template<class R2, class Q01,class Q02, class Q03,class Q04,class Q05,
class Q06,class Q07, class Q08,class Q09>
Function(Function<R2(Q01,Q02,Q03,Q04,Q05,Q06,Q07,Q08,Q09)> func)
LOKI_FUNCTION_R2_CTOR_BODY
LOKI_FUNCTION_BODY
};
template<class R, class P01,class P02, class P03,class P04,class P05,
class P06,class P07, class P08,class P09,class P10>
struct Function<R(P01,P02,P03,P04,P05,P06,P07,P08,P09,P10)>
: public Functor<R, Seq<P01,P02,P03,P04,P05,P06,P07,P08,P09,P10> >
{
typedef Functor<R, Seq<P01,P02,P03,P04,P05,P06,P07,P08,P09,P10> > FBase;
template<class R2, class Q01,class Q02, class Q03,class Q04,class Q05,
class Q06,class Q07, class Q08,class Q09,class Q10>
Function(Function<R2(Q01,Q02,Q03,Q04,Q05,Q06,Q07,Q08,Q09,Q10)> func)
LOKI_FUNCTION_R2_CTOR_BODY
LOKI_FUNCTION_BODY
};
template<class R, class P01,class P02, class P03,class P04,class P05,
class P06,class P07, class P08,class P09,class P10,
class P11>
struct Function<R(P01,P02,P03,P04,P05,P06,P07,P08,P09,P10,P11)>
: public Functor<R, Seq<P01,P02,P03,P04,P05,P06,P07,P08,P09,P10,P11> >
{
typedef Functor<R, Seq<P01,P02,P03,P04,P05,P06,P07,P08,P09,P10,P11> >FBase;
template<class R2, class Q01,class Q02, class Q03,class Q04,class Q05,
class Q06,class Q07, class Q08,class Q09,class Q10,
class Q11>
Function(Function<R2(Q01,Q02,Q03,Q04,Q05,Q06,Q07,Q08,Q09,Q10,Q11)> func)
LOKI_FUNCTION_R2_CTOR_BODY
LOKI_FUNCTION_BODY
};
template<class R, class P01,class P02, class P03,class P04,class P05,
class P06,class P07, class P08,class P09,class P10,
class P11,class P12>
struct Function<R(P01,P02,P03,P04,P05,P06,P07,P08,P09,P10,P11,P12)>
: public Functor<R, Seq<P01,P02,P03,P04,P05,P06,P07,P08,P09,P10,P11,P12> >
{
typedef Functor<R, Seq<P01,P02,P03,P04,P05,P06,P07,P08,P09,P10,P11,P12> > FBase;
template<class R2, class Q01,class Q02, class Q03,class Q04,class Q05,
class Q06,class Q07, class Q08,class Q09,class Q10,
class Q11,class Q12>
Function(Function<R2(Q01,Q02,Q03,Q04,Q05,Q06,Q07,Q08,Q09,Q10,Q11,Q12)> func)
LOKI_FUNCTION_R2_CTOR_BODY
LOKI_FUNCTION_BODY
};
template<class R, class P01,class P02, class P03,class P04,class P05,
class P06,class P07, class P08,class P09,class P10,
class P11,class P12, class P13>
struct Function<R(P01,P02,P03,P04,P05,P06,P07,P08,P09,P10,P11,P12,P13)>
: public Functor<R, Seq<P01,P02,P03,P04,P05,P06,P07,P08,P09,P10,P11,P12,P13> >
{
typedef Functor<R, Seq<P01,P02,P03,P04,P05,P06,P07,P08,P09,P10,P11,P12,P13> > FBase;
template<class R2, class Q01,class Q02, class Q03,class Q04,class Q05,
class Q06,class Q07, class Q08,class Q09,class Q10,
class Q11,class Q12, class Q13>
Function(Function<R2(Q01,Q02,Q03,Q04,Q05,Q06,Q07,Q08,Q09,Q10,Q11,Q12,Q13)> func)
LOKI_FUNCTION_R2_CTOR_BODY
LOKI_FUNCTION_BODY
};
template<class R, class P01,class P02, class P03,class P04,class P05,
class P06,class P07, class P08,class P09,class P10,
class P11,class P12, class P13,class P14>
struct Function<R(P01,P02,P03,P04,P05,P06,P07,P08,P09,P10,P11,P12,P13,P14)>
: public Functor<R, Seq<P01,P02,P03,P04,P05,P06,P07,P08,P09,P10,P11,P12,P13,P14> >
{
typedef Functor<R, Seq<P01,P02,P03,P04,P05,P06,P07,P08,P09,P10,P11,P12,P13,P14> > FBase;
template<class R2, class Q01,class Q02, class Q03,class Q04,class Q05,
class Q06,class Q07, class Q08,class Q09,class Q10,
class Q11,class Q12, class Q13,class Q14>
Function(Function<R2(Q01,Q02,Q03,Q04,Q05,Q06,Q07,Q08,Q09,Q10,Q11,Q12,Q13,Q14)> func)
LOKI_FUNCTION_R2_CTOR_BODY
LOKI_FUNCTION_BODY
};
template<class R, class P01,class P02, class P03,class P04,class P05,
class P06,class P07, class P08,class P09,class P10,
class P11,class P12, class P13,class P14,class P15>
struct Function<R(P01,P02,P03,P04,P05,P06,P07,P08,P09,P10,P11,P12,P13,P14,P15)>
: public Functor<R, Seq<P01,P02,P03,P04,P05,P06,P07,P08,P09,P10,P11,P12,P13,P14,P15> >
{
typedef Functor<R, Seq<P01,P02,P03,P04,P05,P06,P07,P08,P09,P10,P11,P12,P13,P14,P15> > FBase;
template<class R2, class Q01,class Q02, class Q03,class Q04,class Q05,
class Q06,class Q07, class Q08,class Q09,class Q10,
class Q11,class Q12, class Q13,class Q14,class Q15>
Function(Function<R2(Q01,Q02,Q03,Q04,Q05,Q06,Q07,Q08,Q09,Q10,Q11,Q12,Q13,Q14,Q15)> func)
LOKI_FUNCTION_R2_CTOR_BODY
LOKI_FUNCTION_BODY
};
}// namespace Loki
#endif // end file guardian
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