📄 mem_fn_template.hpp
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//// bind/mem_fn_template.hpp//// Do not include this header directly//// Copyright (c) 2001 Peter Dimov and Multi Media Ltd.//// Distributed under the Boost Software License, Version 1.0. (See// accompanying file LICENSE_1_0.txt or copy at// http://www.boost.org/LICENSE_1_0.txt)//// See http://www.boost.org/libs/bind/mem_fn.html for documentation.//// mf0template<class R, class T BOOST_MEM_FN_CLASS_F> class BOOST_MEM_FN_NAME(mf0){public: typedef R result_type; typedef T * argument_type;private: BOOST_MEM_FN_TYPEDEF(R (BOOST_MEM_FN_CC T::*F) ()) F f_; template<class U> R call(U & u, T const *) const { BOOST_MEM_FN_RETURN (u.*f_)(); } template<class U> R call(U & u, void const *) const { BOOST_MEM_FN_RETURN (get_pointer(u)->*f_)(); }public: explicit BOOST_MEM_FN_NAME(mf0)(F f): f_(f) {} R operator()(T * p) const { BOOST_MEM_FN_RETURN (p->*f_)(); } template<class U> R operator()(U & u) const { BOOST_MEM_FN_RETURN call(u, &u); } R operator()(T & t) const { BOOST_MEM_FN_RETURN (t.*f_)(); } bool operator==(BOOST_MEM_FN_NAME(mf0) const & rhs) const { return f_ == rhs.f_; } bool operator!=(BOOST_MEM_FN_NAME(mf0) const & rhs) const { return f_ != rhs.f_; }};// cmf0template<class R, class T BOOST_MEM_FN_CLASS_F> class BOOST_MEM_FN_NAME(cmf0){public: typedef R result_type; typedef T const * argument_type;private: BOOST_MEM_FN_TYPEDEF(R (BOOST_MEM_FN_CC T::*F) () const) F f_; template<class U> R call(U & u, T const *) const { BOOST_MEM_FN_RETURN (u.*f_)(); } template<class U> R call(U & u, void const *) const { BOOST_MEM_FN_RETURN (get_pointer(u)->*f_)(); }public: explicit BOOST_MEM_FN_NAME(cmf0)(F f): f_(f) {} template<class U> R operator()(U const & u) const { BOOST_MEM_FN_RETURN call(u, &u); } R operator()(T const & t) const { BOOST_MEM_FN_RETURN (t.*f_)(); } bool operator==(BOOST_MEM_FN_NAME(cmf0) const & rhs) const { return f_ == rhs.f_; } bool operator!=(BOOST_MEM_FN_NAME(cmf0) const & rhs) const { return f_ != rhs.f_; }};// mf1template<class R, class T, class A1 BOOST_MEM_FN_CLASS_F> class BOOST_MEM_FN_NAME(mf1){public: typedef R result_type; typedef T * first_argument_type; typedef A1 second_argument_type;private: BOOST_MEM_FN_TYPEDEF(R (BOOST_MEM_FN_CC T::*F) (A1)) F f_; template<class U, class B1> R call(U & u, T const *, B1 & b1) const { BOOST_MEM_FN_RETURN (u.*f_)(b1); } template<class U, class B1> R call(U & u, void const *, B1 & b1) const { BOOST_MEM_FN_RETURN (get_pointer(u)->*f_)(b1); }public: explicit BOOST_MEM_FN_NAME(mf1)(F f): f_(f) {} R operator()(T * p, A1 a1) const { BOOST_MEM_FN_RETURN (p->*f_)(a1); } template<class U> R operator()(U & u, A1 a1) const { BOOST_MEM_FN_RETURN call(u, &u, a1); } R operator()(T & t, A1 a1) const { BOOST_MEM_FN_RETURN (t.*f_)(a1); } bool operator==(BOOST_MEM_FN_NAME(mf1) const & rhs) const { return f_ == rhs.f_; } bool operator!=(BOOST_MEM_FN_NAME(mf1) const & rhs) const { return f_ != rhs.f_; }};// cmf1template<class R, class T, class A1 BOOST_MEM_FN_CLASS_F> class BOOST_MEM_FN_NAME(cmf1){public: typedef R result_type; typedef T const * first_argument_type; typedef A1 second_argument_type;private: BOOST_MEM_FN_TYPEDEF(R (BOOST_MEM_FN_CC T::*F) (A1) const) F f_; template<class U, class B1> R call(U & u, T const *, B1 & b1) const { BOOST_MEM_FN_RETURN (u.*f_)(b1); } template<class U, class B1> R call(U & u, void const *, B1 & b1) const { BOOST_MEM_FN_RETURN (get_pointer(u)->*f_)(b1); }public: explicit BOOST_MEM_FN_NAME(cmf1)(F f): f_(f) {} template<class U> R operator()(U const & u, A1 a1) const { BOOST_MEM_FN_RETURN call(u, &u, a1); } R operator()(T const & t, A1 a1) const { BOOST_MEM_FN_RETURN (t.*f_)(a1); } bool operator==(BOOST_MEM_FN_NAME(cmf1) const & rhs) const { return f_ == rhs.f_; } bool operator!=(BOOST_MEM_FN_NAME(cmf1) const & rhs) const { return f_ != rhs.f_; }};// mf2template<class R, class T, class A1, class A2 BOOST_MEM_FN_CLASS_F> class BOOST_MEM_FN_NAME(mf2){public: typedef R result_type;private: BOOST_MEM_FN_TYPEDEF(R (BOOST_MEM_FN_CC T::*F) (A1, A2)) F f_; template<class U, class B1, class B2> R call(U & u, T const *, B1 & b1, B2 & b2) const { BOOST_MEM_FN_RETURN (u.*f_)(b1, b2); } template<class U, class B1, class B2> R call(U & u, void const *, B1 & b1, B2 & b2) const { BOOST_MEM_FN_RETURN (get_pointer(u)->*f_)(b1, b2); }public: explicit BOOST_MEM_FN_NAME(mf2)(F f): f_(f) {} R operator()(T * p, A1 a1, A2 a2) const { BOOST_MEM_FN_RETURN (p->*f_)(a1, a2); } template<class U> R operator()(U & u, A1 a1, A2 a2) const { BOOST_MEM_FN_RETURN call(u, &u, a1, a2); } R operator()(T & t, A1 a1, A2 a2) const { BOOST_MEM_FN_RETURN (t.*f_)(a1, a2); } bool operator==(BOOST_MEM_FN_NAME(mf2) const & rhs) const { return f_ == rhs.f_; } bool operator!=(BOOST_MEM_FN_NAME(mf2) const & rhs) const { return f_ != rhs.f_; }};// cmf2template<class R, class T, class A1, class A2 BOOST_MEM_FN_CLASS_F> class BOOST_MEM_FN_NAME(cmf2){public: typedef R result_type;private: BOOST_MEM_FN_TYPEDEF(R (BOOST_MEM_FN_CC T::*F) (A1, A2) const) F f_; template<class U, class B1, class B2> R call(U & u, T const *, B1 & b1, B2 & b2) const { BOOST_MEM_FN_RETURN (u.*f_)(b1, b2); } template<class U, class B1, class B2> R call(U & u, void const *, B1 & b1, B2 & b2) const { BOOST_MEM_FN_RETURN (get_pointer(u)->*f_)(b1, b2); }public: explicit BOOST_MEM_FN_NAME(cmf2)(F f): f_(f) {} template<class U> R operator()(U const & u, A1 a1, A2 a2) const { BOOST_MEM_FN_RETURN call(u, &u, a1, a2); } R operator()(T const & t, A1 a1, A2 a2) const { BOOST_MEM_FN_RETURN (t.*f_)(a1, a2); } bool operator==(BOOST_MEM_FN_NAME(cmf2) const & rhs) const { return f_ == rhs.f_; } bool operator!=(BOOST_MEM_FN_NAME(cmf2) const & rhs) const { return f_ != rhs.f_; }};// mf3template<class R, class T, class A1, class A2, class A3 BOOST_MEM_FN_CLASS_F> class BOOST_MEM_FN_NAME(mf3){public: typedef R result_type;private: BOOST_MEM_FN_TYPEDEF(R (BOOST_MEM_FN_CC T::*F) (A1, A2, A3)) F f_; template<class U, class B1, class B2, class B3> R call(U & u, T const *, B1 & b1, B2 & b2, B3 & b3) const { BOOST_MEM_FN_RETURN (u.*f_)(b1, b2, b3); } template<class U, class B1, class B2, class B3> R call(U & u, void const *, B1 & b1, B2 & b2, B3 & b3) const { BOOST_MEM_FN_RETURN (get_pointer(u)->*f_)(b1, b2, b3); }public: explicit BOOST_MEM_FN_NAME(mf3)(F f): f_(f) {} R operator()(T * p, A1 a1, A2 a2, A3 a3) const { BOOST_MEM_FN_RETURN (p->*f_)(a1, a2, a3); } template<class U> R operator()(U & u, A1 a1, A2 a2, A3 a3) const { BOOST_MEM_FN_RETURN call(u, &u, a1, a2, a3); } R operator()(T & t, A1 a1, A2 a2, A3 a3) const { BOOST_MEM_FN_RETURN (t.*f_)(a1, a2, a3); } bool operator==(BOOST_MEM_FN_NAME(mf3) const & rhs) const { return f_ == rhs.f_; } bool operator!=(BOOST_MEM_FN_NAME(mf3) const & rhs) const { return f_ != rhs.f_; }};// cmf3template<class R, class T, class A1, class A2, class A3 BOOST_MEM_FN_CLASS_F> class BOOST_MEM_FN_NAME(cmf3){public: typedef R result_type;private: BOOST_MEM_FN_TYPEDEF(R (BOOST_MEM_FN_CC T::*F) (A1, A2, A3) const) F f_; template<class U, class B1, class B2, class B3> R call(U & u, T const *, B1 & b1, B2 & b2, B3 & b3) const { BOOST_MEM_FN_RETURN (u.*f_)(b1, b2, b3); } template<class U, class B1, class B2, class B3> R call(U & u, void const *, B1 & b1, B2 & b2, B3 & b3) const { BOOST_MEM_FN_RETURN (get_pointer(u)->*f_)(b1, b2, b3); }public: explicit BOOST_MEM_FN_NAME(cmf3)(F f): f_(f) {} template<class U> R operator()(U const & u, A1 a1, A2 a2, A3 a3) const { BOOST_MEM_FN_RETURN call(u, &u, a1, a2, a3); } R operator()(T const & t, A1 a1, A2 a2, A3 a3) const { BOOST_MEM_FN_RETURN (t.*f_)(a1, a2, a3); } bool operator==(BOOST_MEM_FN_NAME(cmf3) const & rhs) const { return f_ == rhs.f_; } bool operator!=(BOOST_MEM_FN_NAME(cmf3) const & rhs) const { return f_ != rhs.f_; }};// mf4template<class R, class T, class A1, class A2, class A3, class A4 BOOST_MEM_FN_CLASS_F> class BOOST_MEM_FN_NAME(mf4){public: typedef R result_type;private: BOOST_MEM_FN_TYPEDEF(R (BOOST_MEM_FN_CC T::*F) (A1, A2, A3, A4)) F f_; template<class U, class B1, class B2, class B3, class B4> R call(U & u, T const *, B1 & b1, B2 & b2, B3 & b3, B4 & b4) const { BOOST_MEM_FN_RETURN (u.*f_)(b1, b2, b3, b4); } template<class U, class B1, class B2, class B3, class B4> R call(U & u, void const *, B1 & b1, B2 & b2, B3 & b3, B4 & b4) const { BOOST_MEM_FN_RETURN (get_pointer(u)->*f_)(b1, b2, b3, b4); }public: explicit BOOST_MEM_FN_NAME(mf4)(F f): f_(f) {} R operator()(T * p, A1 a1, A2 a2, A3 a3, A4 a4) const { BOOST_MEM_FN_RETURN (p->*f_)(a1, a2, a3, a4); } template<class U> R operator()(U & u, A1 a1, A2 a2, A3 a3, A4 a4) const { BOOST_MEM_FN_RETURN call(u, &u, a1, a2, a3, a4); } R operator()(T & t, A1 a1, A2 a2, A3 a3, A4 a4) const { BOOST_MEM_FN_RETURN (t.*f_)(a1, a2, a3, a4); } bool operator==(BOOST_MEM_FN_NAME(mf4) const & rhs) const {
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