epoc32/include/stdapis/stlport/stl/_function_adaptors.h
branchSymbian2
changeset 3 e1b950c65cb4
parent 2 2fe1408b6811
child 4 837f303aceeb
     1.1 --- a/epoc32/include/stdapis/stlport/stl/_function_adaptors.h	Tue Mar 16 16:12:26 2010 +0000
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,802 +0,0 @@
     1.4 -/*
     1.5 - *
     1.6 - * Copyright (c) 1994
     1.7 - * Hewlett-Packard Company
     1.8 - *
     1.9 - * Copyright (c) 1996-1998
    1.10 - * Silicon Graphics Computer Systems, Inc.
    1.11 - *
    1.12 - * Copyright (c) 1997
    1.13 - * Moscow Center for SPARC Technology
    1.14 - *
    1.15 - * Copyright (c) 1999 
    1.16 - * Boris Fomitchev
    1.17 - *
    1.18 - * Copyright (c) 2000
    1.19 - * Pavel Kuznetsov
    1.20 - *
    1.21 - * Copyright (c) 2001
    1.22 - * Meridian'93
    1.23 - *
    1.24 - * This material is provided "as is", with absolutely no warranty expressed
    1.25 - * or implied. Any use is at your own risk.
    1.26 - *
    1.27 - * Permission to use or copy this software for any purpose is hereby granted 
    1.28 - * without fee, provided the above notices are retained on all copies.
    1.29 - * Permission to modify the code and to distribute modified code is granted,
    1.30 - * provided the above notices are retained, and a notice that the code was
    1.31 - * modified is included with the above copyright notice.
    1.32 - *
    1.33 - */
    1.34 -
    1.35 -/* NOTE: This is an internal header file, included by other STL headers.
    1.36 - *   You should not attempt to use it directly.
    1.37 - */
    1.38 -
    1.39 -// This file has noo macro protection as it is meant to be included several times
    1.40 -// from other header.
    1.41 -// Adaptor function objects: pointers to member functions.
    1.42 -
    1.43 -// There are a total of 16 = 2^4 function objects in this family.
    1.44 -//  (1) Member functions taking no arguments vs member functions taking
    1.45 -//       one argument.
    1.46 -//  (2) Call through pointer vs call through reference.
    1.47 -//  (3) Member function with void return type vs member function with
    1.48 -//      non-void return type.
    1.49 -//  (4) Const vs non-const member function.
    1.50 -
    1.51 -// Note that choice (3) is nothing more than a workaround: according
    1.52 -//  to the draft, compilers should handle void and non-void the same way.
    1.53 -//  This feature is not yet widely implemented, though.  You can only use
    1.54 -//  member functions returning void if your compiler supports partial
    1.55 -//  specialization.
    1.56 -
    1.57 -// All of this complexity is in the function objects themselves.  You can
    1.58 -//  ignore it by using the helper function mem_fun and mem_fun_ref,
    1.59 -//  which create whichever type of adaptor is appropriate.
    1.60 -
    1.61 -_STLP_BEGIN_NAMESPACE
    1.62 -
    1.63 -//This implementation will only be used if needed, that is to say when there is the return void bug
    1.64 -//and when there is no partial template specialization
    1.65 -#if defined(_STLP_DONT_RETURN_VOID) && defined (_STLP_NO_CLASS_PARTIAL_SPECIALIZATION) && defined(_STLP_MEMBER_TEMPLATE_CLASSES)
    1.66 -
    1.67 -template<class _Result, class _Tp>
    1.68 -class _Mem_fun0_ptr : public unary_function<_Tp*, _Result> {
    1.69 -protected:
    1.70 -  typedef _Result (_Tp::*__fun_type) ();
    1.71 -  explicit _Mem_fun0_ptr(__fun_type __f) : _M_f(__f) {}
    1.72 -
    1.73 -public:
    1.74 -  _Result operator ()(_Tp* __p) const { return (__p->*_M_f)(); }
    1.75 -
    1.76 -private:
    1.77 -  __fun_type _M_f;
    1.78 -};
    1.79 -
    1.80 -template<class _Result, class _Tp, class _Arg>
    1.81 -class _Mem_fun1_ptr : public binary_function<_Tp*,_Arg,_Result> {
    1.82 -protected:
    1.83 -  typedef _Result (_Tp::*__fun_type) (_Arg);
    1.84 -  explicit _Mem_fun1_ptr(__fun_type __f) : _M_f(__f) {}
    1.85 -
    1.86 -public:
    1.87 -  _Result operator ()(_Tp* __p, _Arg __x) const { return (__p->*_M_f)(__x); }
    1.88 -
    1.89 -private:
    1.90 -  __fun_type _M_f;
    1.91 -};
    1.92 -
    1.93 -template<class _Result, class _Tp>
    1.94 -class _Const_mem_fun0_ptr : public unary_function<const _Tp*,_Result> {
    1.95 -protected:
    1.96 -  typedef _Result (_Tp::*__fun_type) () const;
    1.97 -  explicit _Const_mem_fun0_ptr(__fun_type __f) : _M_f(__f) {}
    1.98 -
    1.99 -public:
   1.100 -  _Result operator ()(const _Tp* __p) const { return (__p->*_M_f)(); }
   1.101 -
   1.102 -private:
   1.103 -  __fun_type _M_f;
   1.104 -};
   1.105 -
   1.106 -template<class _Result, class _Tp, class _Arg>
   1.107 -class _Const_mem_fun1_ptr : public binary_function<const _Tp*,_Arg,_Result> {
   1.108 -protected:
   1.109 -  typedef _Result (_Tp::*__fun_type) (_Arg) const;
   1.110 -  explicit _Const_mem_fun1_ptr(__fun_type __f) : _M_f(__f) {}
   1.111 -
   1.112 -public:
   1.113 -  _Result operator ()(const _Tp* __p, _Arg __x) const {
   1.114 -    return (__p->*_M_f)(__x); }
   1.115 -
   1.116 -private:
   1.117 -  __fun_type _M_f;
   1.118 -};
   1.119 -
   1.120 -template<class _Result, class _Tp>
   1.121 -class _Mem_fun0_ref : public unary_function<_Tp&,_Result> {
   1.122 -protected:
   1.123 -  typedef _Result (_Tp::*__fun_type) ();
   1.124 -  explicit _Mem_fun0_ref(__fun_type __f) : _M_f(__f) {}
   1.125 -
   1.126 -public:
   1.127 -  _Result operator ()(_Tp& __p) const { return (__p.*_M_f)(); }
   1.128 -
   1.129 -private:
   1.130 -  __fun_type _M_f;
   1.131 -};
   1.132 -
   1.133 -template<class _Result, class _Tp, class _Arg>
   1.134 -class _Mem_fun1_ref : public binary_function<_Tp&,_Arg,_Result> {
   1.135 -protected:
   1.136 -  typedef _Result (_Tp::*__fun_type) (_Arg);
   1.137 -  explicit _Mem_fun1_ref(__fun_type __f) : _M_f(__f) {}
   1.138 -
   1.139 -public:
   1.140 -  _Result operator ()(_Tp& __p, _Arg __x) const { return (__p.*_M_f)(__x); }
   1.141 -
   1.142 -private:
   1.143 -  __fun_type _M_f;
   1.144 -};
   1.145 -
   1.146 -template<class _Result, class _Tp>
   1.147 -class _Const_mem_fun0_ref : public unary_function<const _Tp&,_Result> {
   1.148 -protected:
   1.149 -  typedef _Result (_Tp::*__fun_type) () const;
   1.150 -  explicit _Const_mem_fun0_ref(__fun_type __f) : _M_f(__f) {}
   1.151 -
   1.152 -public:
   1.153 -  _Result operator ()(const _Tp& __p) const { return (__p.*_M_f)(); }
   1.154 -
   1.155 -private:
   1.156 -  __fun_type _M_f;
   1.157 -};
   1.158 -
   1.159 -template<class _Result, class _Tp, class _Arg>
   1.160 -class _Const_mem_fun1_ref : public binary_function<const _Tp&,_Arg,_Result> {
   1.161 -protected:
   1.162 -  typedef _Result (_Tp::*__fun_type) (_Arg) const;
   1.163 -  explicit _Const_mem_fun1_ref(__fun_type __f) : _M_f(__f) {}
   1.164 -
   1.165 -public:
   1.166 -  _Result operator ()(const _Tp& __p, _Arg __x) const { return (__p.*_M_f)(__x); }
   1.167 -
   1.168 -private:
   1.169 -  __fun_type _M_f;
   1.170 -};
   1.171 -
   1.172 -template<class _Result> 
   1.173 -struct _Mem_fun_traits {
   1.174 -  template<class _Tp> 
   1.175 -  struct _Args0 {
   1.176 -    typedef _Mem_fun0_ptr<_Result,_Tp>            _Ptr;
   1.177 -    typedef _Const_mem_fun0_ptr<_Result,_Tp>      _Ptr_const;
   1.178 -    typedef _Mem_fun0_ref<_Result,_Tp>            _Ref;
   1.179 -    typedef _Const_mem_fun0_ref<_Result,_Tp>      _Ref_const;
   1.180 -  };
   1.181 -
   1.182 -  template<class _Tp, class _Arg>
   1.183 -  struct _Args1 {
   1.184 -    typedef _Mem_fun1_ptr<_Result,_Tp,_Arg>       _Ptr;
   1.185 -    typedef _Const_mem_fun1_ptr<_Result,_Tp,_Arg> _Ptr_const;
   1.186 -    typedef _Mem_fun1_ref<_Result,_Tp,_Arg>       _Ref;
   1.187 -    typedef _Const_mem_fun1_ref<_Result,_Tp,_Arg> _Ref_const;
   1.188 -  };
   1.189 -};
   1.190 -
   1.191 -template<class _Arg, class _Result>
   1.192 -class _Ptr_fun1_base : public unary_function<_Arg, _Result> {
   1.193 -protected:
   1.194 -  typedef _Result (*__fun_type) (_Arg);
   1.195 -  explicit _Ptr_fun1_base(__fun_type __f) : _M_f(__f) {}
   1.196 -
   1.197 -public:
   1.198 -  _Result operator()(_Arg __x) const { return _M_f(__x); }
   1.199 -
   1.200 -private:
   1.201 -  __fun_type _M_f;
   1.202 -};
   1.203 -
   1.204 -template <class _Arg1, class _Arg2, class _Result>
   1.205 -class _Ptr_fun2_base : public binary_function<_Arg1,_Arg2,_Result> {
   1.206 -protected:
   1.207 -  typedef _Result (*__fun_type) (_Arg1, _Arg2);
   1.208 -  explicit _Ptr_fun2_base(__fun_type __f) : _M_f(__f) {}
   1.209 -
   1.210 -public:
   1.211 -  _Result operator()(_Arg1 __x, _Arg2 __y) const { return _M_f(__x, __y); }
   1.212 -
   1.213 -private:
   1.214 -  __fun_type _M_f;
   1.215 -};
   1.216 -
   1.217 -template<class _Result> 
   1.218 -struct _Ptr_fun_traits {
   1.219 -  template<class _Arg> struct _Args1 {
   1.220 -    typedef _Ptr_fun1_base<_Arg,_Result> _Fun;
   1.221 -  };
   1.222 -
   1.223 -  template<class _Arg1, class _Arg2> struct _Args2 {
   1.224 -    typedef _Ptr_fun2_base<_Arg1,_Arg2,_Result> _Fun;
   1.225 -  };
   1.226 -};
   1.227 -
   1.228 -/*Specialization for void return type
   1.229 -*/
   1.230 -template<class _Tp>
   1.231 -class _Void_mem_fun0_ptr : public unary_function<_Tp*,void> {
   1.232 -protected:
   1.233 -  typedef void (_Tp::*__fun_type) ();
   1.234 -  explicit _Void_mem_fun0_ptr(__fun_type __f) : _M_f(__f) {}
   1.235 -
   1.236 -public:
   1.237 -  void operator ()(_Tp* __p) const { (__p->*_M_f)(); }
   1.238 -
   1.239 -private:
   1.240 -  __fun_type _M_f;
   1.241 -};
   1.242 -
   1.243 -template<class _Tp, class _Arg>
   1.244 -class _Void_mem_fun1_ptr : public binary_function<_Tp*,_Arg,void> {
   1.245 -protected:
   1.246 -  typedef void (_Tp::*__fun_type) (_Arg);
   1.247 -  explicit _Void_mem_fun1_ptr(__fun_type __f) : _M_f(__f) {}
   1.248 -
   1.249 -public:
   1.250 -  void operator ()(_Tp* __p, _Arg __x) const { (__p->*_M_f)(__x); }
   1.251 -
   1.252 -private:
   1.253 -  __fun_type _M_f;
   1.254 -};
   1.255 -
   1.256 -template<class _Tp>
   1.257 -class _Void_const_mem_fun0_ptr : public unary_function<const _Tp*,void> {
   1.258 -protected:
   1.259 -  typedef void (_Tp::*__fun_type) () const;
   1.260 -  explicit _Void_const_mem_fun0_ptr(__fun_type __f) : _M_f(__f) {}
   1.261 -
   1.262 -public:
   1.263 -  void operator ()(const _Tp* __p) const { (__p->*_M_f)(); }
   1.264 -
   1.265 -private:
   1.266 -  __fun_type _M_f;
   1.267 -};
   1.268 -
   1.269 -template<class _Tp, class _Arg>
   1.270 -class _Void_const_mem_fun1_ptr : public binary_function<const _Tp*,_Arg,void> {
   1.271 -protected:
   1.272 -  typedef void (_Tp::*__fun_type) (_Arg) const;
   1.273 -  explicit _Void_const_mem_fun1_ptr(__fun_type __f) : _M_f(__f) {}
   1.274 -
   1.275 -public:
   1.276 -  void operator ()(const _Tp* __p, _Arg __x) const { (__p->*_M_f)(__x); }
   1.277 -
   1.278 -private:
   1.279 -  __fun_type _M_f;
   1.280 -};
   1.281 -
   1.282 -template<class _Tp>
   1.283 -class _Void_mem_fun0_ref : public unary_function<_Tp&,void> {
   1.284 -protected:
   1.285 -  typedef void (_Tp::*__fun_type) ();
   1.286 -  explicit _Void_mem_fun0_ref(__fun_type __f) : _M_f(__f) {}
   1.287 -
   1.288 -public:
   1.289 -  void operator ()(_Tp& __p) const { (__p.*_M_f)(); }
   1.290 -
   1.291 -private:
   1.292 -  __fun_type _M_f;
   1.293 -};
   1.294 -
   1.295 -template<class _Tp, class _Arg>
   1.296 -class _Void_mem_fun1_ref : public binary_function<_Tp&,_Arg,void> {
   1.297 -protected:
   1.298 -  typedef void (_Tp::*__fun_type) (_Arg);
   1.299 -  explicit _Void_mem_fun1_ref(__fun_type __f) : _M_f(__f) {}
   1.300 -
   1.301 -public:
   1.302 -  void operator ()(_Tp& __p, _Arg __x) const { (__p.*_M_f)(__x); }
   1.303 -
   1.304 -private:
   1.305 -  __fun_type _M_f;
   1.306 -};
   1.307 -
   1.308 -template<class _Tp>
   1.309 -class _Void_const_mem_fun0_ref : public unary_function<const _Tp&,void> {
   1.310 -protected:
   1.311 -  typedef void (_Tp::*__fun_type) () const;
   1.312 -  explicit _Void_const_mem_fun0_ref(__fun_type __f) : _M_f(__f) {}
   1.313 -
   1.314 -public:
   1.315 -  void operator ()(const _Tp& __p) const { (__p.*_M_f)(); }
   1.316 -
   1.317 -private:
   1.318 -  __fun_type _M_f;
   1.319 -};
   1.320 -
   1.321 -template<class _Tp, class _Arg>
   1.322 -class _Void_const_mem_fun1_ref : public binary_function<const _Tp&,_Arg,void> {
   1.323 -protected:
   1.324 -  typedef void (_Tp::*__fun_type) (_Arg) const;
   1.325 -  explicit _Void_const_mem_fun1_ref(__fun_type __f) : _M_f(__f) {}
   1.326 -
   1.327 -public:
   1.328 -  void operator ()(const _Tp& __p, _Arg __x) const { (__p.*_M_f)(__x); }
   1.329 -
   1.330 -private:
   1.331 -  __fun_type _M_f;
   1.332 -};
   1.333 -
   1.334 -_STLP_TEMPLATE_NULL
   1.335 -struct _Mem_fun_traits<void> {
   1.336 -  template<class _Tp> struct _Args0 {
   1.337 -    typedef _Void_mem_fun0_ptr<_Tp>             _Ptr;
   1.338 -    typedef _Void_const_mem_fun0_ptr<_Tp>       _Ptr_const;
   1.339 -    typedef _Void_mem_fun0_ref<_Tp>             _Ref;
   1.340 -    typedef _Void_const_mem_fun0_ref<_Tp>       _Ref_const;
   1.341 -  };
   1.342 -
   1.343 -  template<class _Tp, class _Arg> struct _Args1 {
   1.344 -    typedef _Void_mem_fun1_ptr<_Tp,_Arg>        _Ptr;
   1.345 -    typedef _Void_const_mem_fun1_ptr<_Tp,_Arg>  _Ptr_const;
   1.346 -    typedef _Void_mem_fun1_ref<_Tp,_Arg>        _Ref;
   1.347 -    typedef _Void_const_mem_fun1_ref<_Tp,_Arg>  _Ref_const;
   1.348 -  };
   1.349 -};
   1.350 -
   1.351 -template<class _Arg>
   1.352 -class _Ptr_void_fun1_base : public unary_function<_Arg, void> {
   1.353 -protected:
   1.354 -  typedef void (*__fun_type) (_Arg);
   1.355 -  explicit _Ptr_void_fun1_base(__fun_type __f) : _M_f(__f) {}
   1.356 -
   1.357 -public:
   1.358 -  void operator()(_Arg __x) const { _M_f(__x); }
   1.359 -
   1.360 -private:
   1.361 -  __fun_type _M_f;
   1.362 -};
   1.363 -
   1.364 -template <class _Arg1, class _Arg2>
   1.365 -class _Ptr_void_fun2_base : public binary_function<_Arg1,_Arg2,void> {
   1.366 -protected:
   1.367 -  typedef void (*__fun_type) (_Arg1, _Arg2);
   1.368 -  explicit _Ptr_void_fun2_base(__fun_type __f) : _M_f(__f) {}
   1.369 -
   1.370 -public:
   1.371 -  void operator()(_Arg1 __x, _Arg2 __y) const { _M_f(__x, __y); }
   1.372 -
   1.373 -private:
   1.374 -  __fun_type _M_f;
   1.375 -};
   1.376 -
   1.377 -_STLP_TEMPLATE_NULL
   1.378 -struct _Ptr_fun_traits<void> {
   1.379 -  template<class _Arg> struct _Args1 {
   1.380 -    typedef _Ptr_void_fun1_base<_Arg> _Fun;
   1.381 -  };
   1.382 -  
   1.383 -  template<class _Arg1, class _Arg2> struct _Args2 {
   1.384 -    typedef _Ptr_void_fun2_base<_Arg1,_Arg2> _Fun;
   1.385 -  };
   1.386 -};
   1.387 -
   1.388 -// pavel: need extra level of inheritance here since MSVC++ does not
   1.389 -// accept traits-based fake partial specialization for template
   1.390 -// arguments other than first
   1.391 -
   1.392 -template<class _Result, class _Arg>
   1.393 -class _Ptr_fun1 : 
   1.394 -  public _Ptr_fun_traits<_Result>::_STLP_TEMPLATE _Args1<_Arg>::_Fun {
   1.395 -protected:
   1.396 -  typedef typename _Ptr_fun_traits<_Result>::_STLP_TEMPLATE _Args1<_Arg>::_Fun _Base;
   1.397 -  explicit _Ptr_fun1(typename _Base::__fun_type __f) : _Base(__f) {}
   1.398 -};
   1.399 -
   1.400 -template<class _Result, class _Arg1, class _Arg2>
   1.401 -class _Ptr_fun2 : 
   1.402 -  public _Ptr_fun_traits<_Result>::_STLP_TEMPLATE _Args2<_Arg1,_Arg2>::_Fun {
   1.403 -protected:
   1.404 -  typedef typename _Ptr_fun_traits<_Result>::_STLP_TEMPLATE _Args2<_Arg1,_Arg2>::_Fun _Base;
   1.405 -  explicit _Ptr_fun2(typename _Base::__fun_type __f) : _Base(__f) {}
   1.406 -};
   1.407 -
   1.408 -
   1.409 -#endif /*_STLP_DONT_RETURN_VOID && _STLP_NO_CLASS_PARTIAL_SPECIALIZATION && _STLP_MEMBER_TEMPLATE_CLASSES*/
   1.410 -
   1.411 -
   1.412 -#if !defined(_STLP_DONT_RETURN_VOID) || !defined(_STLP_NO_CLASS_PARTIAL_SPECIALIZATION) || !defined (_STLP_MEMBER_TEMPLATE_CLASSES)
   1.413 -
   1.414 -template <class _Ret, class _Tp>
   1.415 -class mem_fun_t : public unary_function<_Tp*,_Ret> {
   1.416 -  typedef _Ret (_Tp::*__fun_type)(void);
   1.417 -public:
   1.418 -  explicit mem_fun_t(__fun_type __pf) : _M_f(__pf) {}
   1.419 -  _Ret operator()(_Tp* __p) const { return (__p->*_M_f)(); }
   1.420 -private:
   1.421 -  __fun_type _M_f;
   1.422 -};
   1.423 -
   1.424 -template <class _Ret, class _Tp>
   1.425 -class const_mem_fun_t : public unary_function<const _Tp*,_Ret> {
   1.426 -  typedef _Ret (_Tp::*__fun_type)(void) const;
   1.427 -public:
   1.428 -  explicit const_mem_fun_t(__fun_type __pf) : _M_f(__pf) {}
   1.429 -  _Ret operator()(const _Tp* __p) const { return (__p->*_M_f)(); }
   1.430 -private:
   1.431 -  __fun_type _M_f;
   1.432 -};
   1.433 -
   1.434 -
   1.435 -template <class _Ret, class _Tp>
   1.436 -class mem_fun_ref_t : public unary_function<_Tp,_Ret> {
   1.437 -  typedef _Ret (_Tp::*__fun_type)(void);
   1.438 -public:
   1.439 -  explicit mem_fun_ref_t(__fun_type __pf) : _M_f(__pf) {}
   1.440 -  _Ret operator()(_Tp& __r) const { return (__r.*_M_f)(); }
   1.441 -private:
   1.442 -  __fun_type _M_f;
   1.443 -};
   1.444 -
   1.445 -template <class _Ret, class _Tp>
   1.446 -class const_mem_fun_ref_t : public unary_function<_Tp,_Ret> {
   1.447 -  typedef _Ret (_Tp::*__fun_type)(void) const;
   1.448 -public:
   1.449 -  explicit const_mem_fun_ref_t(__fun_type __pf) : _M_f(__pf) {}
   1.450 -  _Ret operator()(const _Tp& __r) const { return (__r.*_M_f)(); }
   1.451 -private:
   1.452 -  __fun_type _M_f;
   1.453 -};
   1.454 -
   1.455 -template <class _Ret, class _Tp, class _Arg>
   1.456 -class mem_fun1_t : public binary_function<_Tp*,_Arg,_Ret> {
   1.457 -  typedef _Ret (_Tp::*__fun_type)(_Arg);
   1.458 -public:
   1.459 -  explicit mem_fun1_t(__fun_type __pf) : _M_f(__pf) {}
   1.460 -  _Ret operator()(_Tp* __p, _Arg __x) const { return (__p->*_M_f)(__x); }
   1.461 -private:
   1.462 -  __fun_type _M_f;
   1.463 -};
   1.464 -
   1.465 -template <class _Ret, class _Tp, class _Arg>
   1.466 -class const_mem_fun1_t : public binary_function<const _Tp*,_Arg,_Ret> {
   1.467 -  typedef _Ret (_Tp::*__fun_type)(_Arg) const;
   1.468 -public:
   1.469 -  explicit const_mem_fun1_t(__fun_type __pf) : _M_f(__pf) {}
   1.470 -  _Ret operator()(const _Tp* __p, _Arg __x) const
   1.471 -    { return (__p->*_M_f)(__x); }
   1.472 -private:
   1.473 -  __fun_type _M_f;
   1.474 -};
   1.475 -
   1.476 -template <class _Ret, class _Tp, class _Arg>
   1.477 -class mem_fun1_ref_t : public binary_function<_Tp,_Arg,_Ret> {
   1.478 -  typedef _Ret (_Tp::*__fun_type)(_Arg);
   1.479 -public:
   1.480 -  explicit mem_fun1_ref_t(__fun_type __pf) : _M_f(__pf) {}
   1.481 -  _Ret operator()(_Tp& __r, _Arg __x) const { return (__r.*_M_f)(__x); }
   1.482 -private:
   1.483 -  __fun_type _M_f;
   1.484 -};
   1.485 -
   1.486 -template <class _Ret, class _Tp, class _Arg>
   1.487 -class const_mem_fun1_ref_t : public binary_function<_Tp,_Arg,_Ret> {
   1.488 -  typedef _Ret (_Tp::*__fun_type)(_Arg) const;
   1.489 -public:
   1.490 -  explicit const_mem_fun1_ref_t(__fun_type __pf) : _M_f(__pf) {}
   1.491 -  _Ret operator()(const _Tp& __r, _Arg __x) const { return (__r.*_M_f)(__x); }
   1.492 -private:
   1.493 -  __fun_type _M_f;
   1.494 -};
   1.495 -
   1.496 -template <class _Arg, class _Result>
   1.497 -class pointer_to_unary_function : public unary_function<_Arg, _Result> {
   1.498 -protected:
   1.499 -  _Result (*_M_ptr)(_Arg);
   1.500 -public:
   1.501 -  pointer_to_unary_function() {}
   1.502 -  explicit pointer_to_unary_function(_Result (*__x)(_Arg)) : _M_ptr(__x) {}
   1.503 -  _Result operator()(_Arg __x) const { return _M_ptr(__x); }
   1.504 -};
   1.505 -
   1.506 -template <class _Arg1, class _Arg2, class _Result>
   1.507 -class pointer_to_binary_function : 
   1.508 -  public binary_function<_Arg1,_Arg2,_Result> {
   1.509 -protected:
   1.510 -    _Result (*_M_ptr)(_Arg1, _Arg2);
   1.511 -public:
   1.512 -    pointer_to_binary_function() {}
   1.513 -    explicit pointer_to_binary_function(_Result (*__x)(_Arg1, _Arg2)) 
   1.514 -      : _M_ptr(__x) {}
   1.515 -    _Result operator()(_Arg1 __x, _Arg2 __y) const {
   1.516 -      return _M_ptr(__x, __y);
   1.517 -    }
   1.518 -};
   1.519 -
   1.520 -
   1.521 -#if defined(_STLP_DONT_RETURN_VOID) && !defined(_STLP_NO_CLASS_PARTIAL_SPECIALIZATION)
   1.522 -//Partial specialization for the void type
   1.523 -template <class _Tp>
   1.524 -class mem_fun_t<void, _Tp> : public unary_function<_Tp*,void> {
   1.525 -  typedef void (_Tp::*__fun_type)(void);
   1.526 -public:
   1.527 -  explicit mem_fun_t _STLP_PSPEC2(void,_Tp) (__fun_type __pf) : _M_f(__pf) {}
   1.528 -  void operator()(_Tp* __p) const { (__p->*_M_f)(); }
   1.529 -private:
   1.530 -  __fun_type _M_f;
   1.531 -};
   1.532 -
   1.533 -template <class _Tp>
   1.534 -class const_mem_fun_t<void, _Tp> : public unary_function<const _Tp*,void> {
   1.535 -  typedef void (_Tp::*__fun_type)(void) const;
   1.536 -public:
   1.537 -  explicit const_mem_fun_t _STLP_PSPEC2(void,_Tp) (__fun_type __pf) : _M_f(__pf) {}
   1.538 -  void operator()(const _Tp* __p) const { (__p->*_M_f)(); }
   1.539 -private:
   1.540 -  __fun_type _M_f;
   1.541 -};
   1.542 -
   1.543 -template <class _Tp>
   1.544 -class mem_fun_ref_t<void, _Tp> : public unary_function<_Tp,void> {
   1.545 -  typedef void (_Tp::*__fun_type)(void);
   1.546 -public:
   1.547 -  explicit mem_fun_ref_t _STLP_PSPEC2(void,_Tp) (__fun_type __pf) : _M_f(__pf) {}
   1.548 -  void operator()(_Tp& __r) const { (__r.*_M_f)(); }
   1.549 -private:
   1.550 -  __fun_type _M_f;
   1.551 -};
   1.552 -
   1.553 -template <class _Tp>
   1.554 -class const_mem_fun_ref_t<void, _Tp> : public unary_function<_Tp,void> {
   1.555 -  typedef void (_Tp::*__fun_type)(void) const;
   1.556 -public:
   1.557 -  explicit const_mem_fun_ref_t _STLP_PSPEC2(void,_Tp) (__fun_type __pf) : _M_f(__pf) {}
   1.558 -  void operator()(const _Tp& __r) const { (__r.*_M_f)(); }
   1.559 -private:
   1.560 -  __fun_type _M_f;
   1.561 -};
   1.562 -
   1.563 -template <class _Tp, class _Arg>
   1.564 -class mem_fun1_t<void, _Tp, _Arg> : public binary_function<_Tp*,_Arg,void> {
   1.565 -  typedef void (_Tp::*__fun_type)(_Arg);
   1.566 -public:
   1.567 -  explicit mem_fun1_t _STLP_PSPEC3(void,_Tp,_Arg) (__fun_type __pf) : _M_f(__pf) {}
   1.568 -  void operator()(_Tp* __p, _Arg __x) const { (__p->*_M_f)(__x); }
   1.569 -private:
   1.570 -  __fun_type _M_f;
   1.571 -};
   1.572 -
   1.573 -template <class _Tp, class _Arg>
   1.574 -class const_mem_fun1_t<void, _Tp, _Arg> 
   1.575 -  : public binary_function<const _Tp*,_Arg,void> {
   1.576 -  typedef void (_Tp::*__fun_type)(_Arg) const;
   1.577 -public:
   1.578 -  explicit const_mem_fun1_t _STLP_PSPEC3(void,_Tp,_Arg) (__fun_type __pf) : _M_f(__pf) {}
   1.579 -  void operator()(const _Tp* __p, _Arg __x) const { (__p->*_M_f)(__x); }
   1.580 -private:
   1.581 -  __fun_type _M_f;
   1.582 -};
   1.583 -
   1.584 -template <class _Tp, class _Arg>
   1.585 -class mem_fun1_ref_t<void, _Tp, _Arg>
   1.586 -  : public binary_function<_Tp,_Arg,void> {
   1.587 -  typedef void (_Tp::*__fun_type)(_Arg);
   1.588 -public:
   1.589 -  explicit mem_fun1_ref_t _STLP_PSPEC3(void,_Tp,_Arg) (__fun_type __pf) : _M_f(__pf) {}
   1.590 -  void operator()(_Tp& __r, _Arg __x) const { (__r.*_M_f)(__x); }
   1.591 -private:
   1.592 -  __fun_type _M_f;
   1.593 -};
   1.594 -
   1.595 -template <class _Tp, class _Arg>
   1.596 -class const_mem_fun1_ref_t<void, _Tp, _Arg>
   1.597 -  : public binary_function<_Tp,_Arg,void> {
   1.598 -  typedef void (_Tp::*__fun_type)(_Arg) const;
   1.599 -public:
   1.600 -  explicit const_mem_fun1_ref_t _STLP_PSPEC3(void,_Tp,_Arg) (__fun_type __pf) : _M_f(__pf) {}
   1.601 -  void operator()(const _Tp& __r, _Arg __x) const { (__r.*_M_f)(__x); }
   1.602 -private:
   1.603 -  __fun_type _M_f;
   1.604 -};
   1.605 -
   1.606 -template <class _Arg>
   1.607 -class pointer_to_unary_function : public unary_function<_Arg, void> {
   1.608 -  typedef void (*__fun_type)(_Arg);
   1.609 -  __fun_type _M_ptr;
   1.610 -public:
   1.611 -  pointer_to_unary_function() {}
   1.612 -  explicit pointer_to_unary_function(__fun_type __x) : _M_ptr(__x) {}
   1.613 -  void operator()(_Arg __x) const { _M_ptr(__x); }
   1.614 -};
   1.615 -
   1.616 -template <class _Arg1, class _Arg2>
   1.617 -class pointer_to_binary_function : public binary_function<_Arg1,_Arg2,void> {
   1.618 -  typedef void (*__fun_type)(_Arg1, _Arg2);
   1.619 -  __fun_type _M_ptr;
   1.620 -public:
   1.621 -  pointer_to_binary_function() {}
   1.622 -  explicit pointer_to_binary_function(__fun_type __x) : _M_ptr(__x) {}
   1.623 -  void operator()(_Arg1 __x, _Arg2 __y) const { _M_ptr(__x, __y); }
   1.624 -};
   1.625 -
   1.626 -#endif /*_STLP_DONT_RETURN_VOID && !_STLP_NO_CLASS_PARTIAL_SPECIALIZATION*/
   1.627 -
   1.628 -#else /*!_STLP_DONT_RETURN_VOID || !_STLP_NO_CLASS_PARTIAL_SPECIALIZATION || !_STLP_MEMBER_TEMPLATE_CLASSES*/
   1.629 -
   1.630 -//mem_fun_t
   1.631 -template <class _Result, class _Tp>
   1.632 -class mem_fun_t : 
   1.633 -  public _Mem_fun_traits<_Result>::_STLP_TEMPLATE _Args0<_Tp>::_Ptr {
   1.634 -  typedef typename
   1.635 -    _Mem_fun_traits<_Result>::_STLP_TEMPLATE _Args0<_Tp>::_Ptr _Base;
   1.636 -public:
   1.637 -  explicit mem_fun_t(typename _Base::__fun_type __f) : _Base(__f) {}
   1.638 -};
   1.639 -
   1.640 -//const_mem_fun_t
   1.641 -template <class _Result, class _Tp>
   1.642 -class const_mem_fun_t : 
   1.643 -  public _Mem_fun_traits<_Result>::_STLP_TEMPLATE _Args0<_Tp>::_Ptr_const {
   1.644 -  typedef typename
   1.645 -    _Mem_fun_traits<_Result>::_STLP_TEMPLATE _Args0<_Tp>::_Ptr_const _Base;
   1.646 -public:
   1.647 -  explicit const_mem_fun_t(typename _Base::__fun_type __f) : _Base(__f) {}
   1.648 -};
   1.649 -
   1.650 -//mem_fun_ref_t
   1.651 -template <class _Result, class _Tp>
   1.652 -class mem_fun_ref_t :
   1.653 -  public _Mem_fun_traits<_Result>::_STLP_TEMPLATE _Args0<_Tp>::_Ref {
   1.654 -  typedef typename
   1.655 -    _Mem_fun_traits<_Result>::_STLP_TEMPLATE _Args0<_Tp>::_Ref _Base;
   1.656 -public:
   1.657 -  explicit mem_fun_ref_t(typename _Base::__fun_type __f) : _Base(__f) {}
   1.658 -};
   1.659 -
   1.660 -//const_mem_fun_ref_t
   1.661 -template <class _Result, class _Tp>
   1.662 -class const_mem_fun_ref_t :
   1.663 -  public _Mem_fun_traits<_Result>::_STLP_TEMPLATE _Args0<_Tp>::_Ref_const {
   1.664 -  typedef typename
   1.665 -    _Mem_fun_traits<_Result>::_STLP_TEMPLATE _Args0<_Tp>::_Ref_const _Base;
   1.666 -public:
   1.667 -  explicit const_mem_fun_ref_t(typename _Base::__fun_type __f) : _Base(__f) {}
   1.668 -};
   1.669 -
   1.670 -//mem_fun1_t
   1.671 -template <class _Result, class _Tp, class _Arg>
   1.672 -class mem_fun1_t :
   1.673 -  public _Mem_fun_traits<_Result>::_STLP_TEMPLATE _Args1<_Tp,_Arg>::_Ptr {
   1.674 -  typedef typename
   1.675 -    _Mem_fun_traits<_Result>::_STLP_TEMPLATE _Args1<_Tp,_Arg>::_Ptr _Base;
   1.676 -public:
   1.677 -  explicit mem_fun1_t(typename _Base::__fun_type __f) : _Base(__f) {}
   1.678 -};
   1.679 -
   1.680 -//const_mem_fun1_t
   1.681 -template <class _Result, class _Tp, class _Arg>
   1.682 -class const_mem_fun1_t :
   1.683 -  public _Mem_fun_traits<_Result>::_STLP_TEMPLATE _Args1<_Tp,_Arg>::_Ptr_const {
   1.684 -  typedef typename
   1.685 -    _Mem_fun_traits<_Result>::_STLP_TEMPLATE _Args1<_Tp,_Arg>::_Ptr_const _Base;
   1.686 -public:
   1.687 -  explicit const_mem_fun1_t(typename _Base::__fun_type __f) : _Base(__f) {}
   1.688 -};
   1.689 -
   1.690 -//mem_fun1_ref_t
   1.691 -template <class _Result, class _Tp, class _Arg>
   1.692 -class mem_fun1_ref_t :
   1.693 -  public _Mem_fun_traits<_Result>::_STLP_TEMPLATE _Args1<_Tp,_Arg>::_Ref {
   1.694 -  typedef typename
   1.695 -    _Mem_fun_traits<_Result>::_STLP_TEMPLATE _Args1<_Tp,_Arg>::_Ref _Base;
   1.696 -public:
   1.697 -  explicit mem_fun1_ref_t(typename _Base::__fun_type __f) : _Base(__f) {}
   1.698 -};
   1.699 -
   1.700 -//const_mem_fun1_t
   1.701 -template <class _Result, class _Tp, class _Arg>
   1.702 -class const_mem_fun1_ref_t :
   1.703 -  public _Mem_fun_traits<_Result>::_STLP_TEMPLATE _Args1<_Tp,_Arg>::_Ref_const {
   1.704 -  typedef typename
   1.705 -    _Mem_fun_traits<_Result>::_STLP_TEMPLATE _Args1<_Tp,_Arg>::_Ref_const _Base;
   1.706 -public:
   1.707 -  explicit const_mem_fun1_ref_t(typename _Base::__fun_type __f) : _Base(__f) {}
   1.708 -};
   1.709 -
   1.710 -
   1.711 -template <class _Arg, class _Result>
   1.712 -class pointer_to_unary_function :
   1.713 -public _Ptr_fun1<_Result,_Arg> {
   1.714 -  typedef typename 
   1.715 -    _Ptr_fun1<_Result,_Arg>::__fun_type __fun_type;
   1.716 -public:
   1.717 -  explicit pointer_to_unary_function(__fun_type __f)
   1.718 -    : _Ptr_fun1<_Result,_Arg>(__f) {}
   1.719 -};
   1.720 -
   1.721 -template <class _Arg1, class _Arg2, class _Result>
   1.722 -class pointer_to_binary_function :
   1.723 -public _Ptr_fun2<_Result,_Arg1,_Arg2> {
   1.724 -  typedef typename
   1.725 -    _Ptr_fun2<_Result,_Arg1,_Arg2>::__fun_type __fun_type;
   1.726 -public:
   1.727 -  explicit pointer_to_binary_function(__fun_type __f)
   1.728 -    : _Ptr_fun2<_Result,_Arg1,_Arg2>(__f) {}
   1.729 -};
   1.730 -
   1.731 -#endif /*!_STLP_DONT_RETURN_VOID || !_STLP_NO_CLASS_PARTIAL_SPECIALIZATION || !_STLP_MEMBER_TEMPLATE_CLASSES*/
   1.732 -
   1.733 -
   1.734 -# if !defined (_STLP_MEMBER_POINTER_PARAM_BUG)
   1.735 -// Mem_fun adaptor helper functions.  There are only two:
   1.736 -//  mem_fun and mem_fun_ref.  (mem_fun1 and mem_fun1_ref 
   1.737 -//  are provided for backward compatibility, but they are no longer
   1.738 -//  part of the C++ standard.)
   1.739 -
   1.740 -template <class _Result, class _Tp>
   1.741 -inline mem_fun_t<_Result,_Tp> 
   1.742 -mem_fun(_Result (_Tp::*__f)()) { return mem_fun_t<_Result,_Tp>(__f); }
   1.743 -
   1.744 -template <class _Result, class _Tp>
   1.745 -inline const_mem_fun_t<_Result,_Tp> 
   1.746 -mem_fun(_Result (_Tp::*__f)() const)  { return const_mem_fun_t<_Result,_Tp>(__f); }
   1.747 -
   1.748 -template <class _Result, class _Tp>
   1.749 -inline mem_fun_ref_t<_Result,_Tp> 
   1.750 -mem_fun_ref(_Result (_Tp::*__f)())  { return mem_fun_ref_t<_Result,_Tp>(__f); }
   1.751 -
   1.752 -template <class _Result, class _Tp>
   1.753 -inline const_mem_fun_ref_t<_Result,_Tp> 
   1.754 -mem_fun_ref(_Result (_Tp::*__f)() const)  { return const_mem_fun_ref_t<_Result,_Tp>(__f); }
   1.755 -
   1.756 -template <class _Result, class _Tp, class _Arg>
   1.757 -inline mem_fun1_t<_Result,_Tp,_Arg> 
   1.758 -mem_fun(_Result (_Tp::*__f)(_Arg)) { return mem_fun1_t<_Result,_Tp,_Arg>(__f); }
   1.759 -
   1.760 -template <class _Result, class _Tp, class _Arg>
   1.761 -inline const_mem_fun1_t<_Result,_Tp,_Arg> 
   1.762 -mem_fun(_Result (_Tp::*__f)(_Arg) const) { return const_mem_fun1_t<_Result,_Tp,_Arg>(__f); }
   1.763 -
   1.764 -template <class _Result, class _Tp, class _Arg>
   1.765 -inline mem_fun1_ref_t<_Result,_Tp,_Arg> 
   1.766 -mem_fun_ref(_Result (_Tp::*__f)(_Arg)) { return mem_fun1_ref_t<_Result,_Tp,_Arg>(__f); }
   1.767 -
   1.768 -template <class _Result, class _Tp, class _Arg>
   1.769 -inline const_mem_fun1_ref_t<_Result,_Tp,_Arg>
   1.770 -mem_fun_ref(_Result (_Tp::*__f)(_Arg) const) { return const_mem_fun1_ref_t<_Result,_Tp,_Arg>(__f); }
   1.771 -
   1.772 -# if !(defined (_STLP_NO_EXTENSIONS) || defined (_STLP_NO_ANACHRONISMS))
   1.773 -//  mem_fun1 and mem_fun1_ref are no longer part of the C++ standard,
   1.774 -//  but they are provided for backward compatibility.
   1.775 -template <class _Result, class _Tp, class _Arg>
   1.776 -inline mem_fun1_t<_Result,_Tp,_Arg> 
   1.777 -mem_fun1(_Result (_Tp::*__f)(_Arg)) { return mem_fun1_t<_Result,_Tp,_Arg>(__f); }
   1.778 -
   1.779 -template <class _Result, class _Tp, class _Arg>
   1.780 -inline const_mem_fun1_t<_Result,_Tp,_Arg> 
   1.781 -mem_fun1(_Result (_Tp::*__f)(_Arg) const) { return const_mem_fun1_t<_Result,_Tp,_Arg>(__f); }
   1.782 -
   1.783 -template <class _Result, class _Tp, class _Arg>
   1.784 -inline mem_fun1_ref_t<_Result,_Tp,_Arg> 
   1.785 -mem_fun1_ref(_Result (_Tp::*__f)(_Arg)) { return mem_fun1_ref_t<_Result,_Tp,_Arg>(__f); }
   1.786 -
   1.787 -template <class _Result, class _Tp, class _Arg>
   1.788 -inline const_mem_fun1_ref_t<_Result,_Tp,_Arg>
   1.789 -mem_fun1_ref(_Result (_Tp::*__f)(_Arg) const) { return const_mem_fun1_ref_t<_Result,_Tp,_Arg>(__f); }
   1.790 -
   1.791 -# endif /* _STLP_NO_EXTENSIONS */
   1.792 -
   1.793 -# endif /* _STLP_MEMBER_POINTER_PARAM_BUG */
   1.794 -
   1.795 -template <class _Arg, class _Result>
   1.796 -inline pointer_to_unary_function<_Arg, _Result>
   1.797 -ptr_fun(_Result (*__f)(_Arg)) 
   1.798 -{ return pointer_to_unary_function<_Arg, _Result>(__f); }
   1.799 -
   1.800 -template <class _Arg1, class _Arg2, class _Result>
   1.801 -inline pointer_to_binary_function<_Arg1,_Arg2,_Result> 
   1.802 -ptr_fun(_Result (*__f)(_Arg1, _Arg2)) 
   1.803 -{ return pointer_to_binary_function<_Arg1,_Arg2,_Result>(__f); }
   1.804 -
   1.805 -_STLP_END_NAMESPACE