/* The following code example is taken from the book * "C++ Templates - The Complete Guide" * by David Vandevoorde and Nicolai M. Josuttis, Addison-Wesley, 2002 * * (C) Copyright David Vandevoorde and Nicolai M. Josuttis 2002. * Permission to copy, use, modify, sell and distribute this software * is granted provided this copyright notice appears in all copies. * This software is provided "as is" without express or implied * warranty, and with no claim as to its suitability for any purpose. */// addition of two SArraystemplate<typename T>SArray<T> operator+ (SArray<T> const& a, SArray<T> const& b){    SArray<T> result(a.size());    for (size_t k = 0; k<a.size(); ++k) {        result[k] = a[k]+b[k];    }    return result;}// multiplication of two SArraystemplate<typename T>SArray<T> operator* (SArray<T> const& a, SArray<T> const& b){    SArray<T> result(a.size());    for (size_t k = 0; k<a.size(); ++k) {        result[k] = a[k]*b[k];    }    return result;}// multiplication of scalar and SArraytemplate<typename T>SArray<T> operator* (T const& s, SArray<T> const& a){    SArray<T> result(a.size());    for (size_t k = 0; k<a.size(); ++k) {        result[k] = s*a[k];    }    return result;}// multiplication of SArray and scalar// addition of scalar and SArray// addition of SArray and scalar//...