mirror of
https://github.com/rakshasa/rtorrent.git
synced 2026-08-08 03:02:30 +00:00
rakshasa
74b154f07e
git-svn-id: svn://rakshasa.no/libtorrent/trunk/rtorrent@237 e378c898-3ddf-0310-93e7-cc216c733640
101 lines
2.9 KiB
C++
101 lines
2.9 KiB
C++
#ifndef ALGO_BITS_IMPL_LAMBDA_H
|
|
#define ALGO_BITS_IMPL_LAMBDA_H
|
|
|
|
#define ALGO_OP_BINARY( NAME, OP ) \
|
|
template <typename Ftor1, typename Ftor2> \
|
|
struct _op_##NAME { \
|
|
\
|
|
template <typename Arg0> \
|
|
struct _ { \
|
|
typedef typename tmpl_if<traits<Arg0>::REF && !traits<Arg0>::CONST, \
|
|
Arg0, typename traits<Arg0>::b_ref_t>::result Type; \
|
|
\
|
|
typedef typeof(_makeT<Ftor1>()(_makeT<Type>()) OP \
|
|
_makeT<Ftor2>()(_makeT<Type>())) return_t; \
|
|
}; \
|
|
\
|
|
_op_##NAME(Ftor1 ftor1, Ftor2 ftor2) : m_ftor1(ftor1), m_ftor2(ftor2) {} \
|
|
\
|
|
template <typename Arg0> \
|
|
typename _<Arg0&>::return_t operator () (Arg0& arg0) { \
|
|
return m_ftor1(arg0) OP m_ftor2(arg0); \
|
|
} \
|
|
\
|
|
template <typename Arg0> \
|
|
typename _<const Arg0&>::return_t operator () (const Arg0& arg0) { \
|
|
return m_ftor1(arg0) OP m_ftor2(arg0); \
|
|
} \
|
|
\
|
|
Ftor1 m_ftor1; \
|
|
Ftor2 m_ftor2; \
|
|
};
|
|
|
|
#define ALGO_MK_BINARY( NAME, OP ) \
|
|
template <typename Ftor1, typename Ftor2> \
|
|
inline _wrapper<_op_##NAME<Ftor1, Ftor2> > \
|
|
operator OP (_wrapper<Ftor1> w1, _wrapper<Ftor2> w2) { \
|
|
return make_wrapper(_op_##NAME<Ftor1, Ftor2>(w1.m_ftor, w2.m_ftor)); \
|
|
}
|
|
|
|
#define ALGO_OP_UNARY( NAME, OP ) \
|
|
template <typename Ftor1> \
|
|
struct _op_##NAME { \
|
|
\
|
|
template <typename Arg0> \
|
|
struct _ { \
|
|
typedef typename tmpl_if<traits<Arg0>::REF && !traits<Arg0>::CONST, \
|
|
Arg0, typename traits<Arg0>::b_ref_t>::result Type; \
|
|
\
|
|
typedef typeof( OP _makeT<Ftor1>()(_makeT<Type>()) ) return_t; \
|
|
}; \
|
|
\
|
|
_op_##NAME(Ftor1 ftor1) : m_ftor1(ftor1) {} \
|
|
\
|
|
template <typename Arg0> \
|
|
typename _<Arg0&>::return_t operator () (Arg0& arg0) { \
|
|
return OP m_ftor1(arg0); \
|
|
} \
|
|
\
|
|
template <typename Arg0> \
|
|
typename _<const Arg0&>::return_t operator () (const Arg0& arg0) { \
|
|
return OP m_ftor1(arg0); \
|
|
} \
|
|
\
|
|
Ftor1 m_ftor1; \
|
|
}; \
|
|
\
|
|
template <typename Ftor1> \
|
|
inline _wrapper<_op_##NAME<Ftor1> > \
|
|
operator OP (_wrapper<Ftor1> w1) { \
|
|
return make_wrapper(_op_##NAME<Ftor1>(w1.m_ftor)); \
|
|
}
|
|
|
|
namespace algo {
|
|
|
|
template <typename Ftor, typename Ret>
|
|
struct op_cast {
|
|
|
|
template <typename Arg0>
|
|
struct _ {
|
|
typedef Ret return_t;
|
|
};
|
|
|
|
op_cast(Ftor ftor) : m_ftor(ftor) {}
|
|
|
|
template <typename Arg0>
|
|
typename _<Arg0&>::return_t operator () (Arg0& arg0) {
|
|
return m_ftor(arg0);
|
|
}
|
|
|
|
template <typename Arg0>
|
|
typename _<const Arg0&>::return_t operator () (const Arg0& arg0) {
|
|
return m_ftor(arg0);
|
|
}
|
|
|
|
Ftor m_ftor;
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|