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+#ifndef bind_hh
+#define bind_hh
+// bind.hh
+// robert - programme du robot 2005. {{{
+//
+// Copyright (C) 2004 Nicolas Schodet
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+//
+// Contact :
+// Web: http://perso.efrei.fr/~schodet/
+// Email: <contact@ni.fr.eu.org>
+// }}}
+
+/// Class used to bind a function taking an argument to a functor taking no
+/// argument. This is not supposed to be used directly, but using the bind
+/// template function.
+template<typename R, typename F, typename A>
+class ArgBinder
+{
+ /// Original function.
+ F func_;
+ /// Stored argument reference.
+ const A &arg_;
+ public:
+ /// Return value.
+ typedef R result_type;
+ public:
+ ArgBinder (F func, const A &arg)
+ : func_ (func), arg_ (arg)
+ { }
+ result_type operator () (void)
+ {
+ return func_ (arg_);
+ }
+};
+
+/// Bind a function taking an argument to a functor taking no argument.
+/// Return value must be specified, other template arguments can be implied.
+template<typename R, typename F, typename A>
+ArgBinder<R, F, A>
+bind (F func, const A &arg)
+{
+ return ArgBinder<R, F, A> (func, arg);
+}
+
+/// Class used to bind a member function to a functor taking no argument.
+/// This is not supposed to be used directly, but using the bind template
+/// function.
+template<typename R, typename C>
+class ObjBinder
+{
+ /// Original member function.
+ R (C::*func_) (void);
+ /// Object pointer stored.
+ C *obj_;
+ public:
+ /// Return value.
+ typedef R result_type;
+ public:
+ ObjBinder (R (C::*func) (void), C *obj)
+ : func_ (func), obj_ (obj)
+ { }
+ result_type operator () (void)
+ {
+ (obj_->*func_) ();
+ }
+};
+
+/// Bind a member function to a functor taking no argument. All template
+/// parameters must be specified.
+template<typename R, typename C>
+ObjBinder<R, C>
+bind (R (C::*func) (void), C *obj)
+{
+ return ObjBinder<R, C> (func, obj);
+}
+
+#endif // bind_hh