/* * Copyright 2011 Steven Gribble * * This file is the solution to an exercise problem posed during * one of the UW CSE 333 lectures (333exercises). * * 333exercises 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 3 of the License, or * (at your option) any later version. * * 333exercises 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 333exercises. If not, see . */ // Lecture 14 exercise 2 #ifndef _LEC14_EX2_TRIPLE_H_ #define _LEC14_EX2_TRIPLE_H_ namespace lec14 { // A "Triple" is a templated class that contains three things. template class Triple { public: // Constructs a triple given three things as arguments. Triple(const T1 &first, const T2 &second, const T3 &third) : first_(first), second_(second), third_(third) { } // Constructs a triple given a triple as an argument. template Triple(const Triple &t) : first_(t.first_), second_(t.second_), third_(t.third_) { } // Constructs a triple given no arguments. Triple() : first_(T1()), second_(T2()), third_(T3()) { } // The data members. T1 first_; T2 second_; T3 third_; // Some useful typedefs. typedef T1 first_type; typedef T2 second_type; typedef T3 third_type; }; // class Query } // namespace lec14 #endif // _LEC14_EX2_TRIPLE_H_