#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: // }}} /// 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 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 ArgBinder bind (F func, const A &arg) { return ArgBinder (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 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 ObjBinder bind (R (C::*func) (void), C *obj) { return ObjBinder (func, obj); } #endif // bind_hh