QuantLib: a free/open-source library for quantitative finance
fully annotated source code - version 1.34
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curiouslyrecurring.hpp
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1/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2
3/*
4 Copyright (C) 2003 RiskMap srl
5
6 This file is part of QuantLib, a free-software/open-source library
7 for financial quantitative analysts and developers - http://quantlib.org/
8
9 QuantLib is free software: you can redistribute it and/or modify it
10 under the terms of the QuantLib license. You should have received a
11 copy of the license along with this program; if not, please email
12 <quantlib-dev@lists.sf.net>. The license is also available online at
13 <http://quantlib.org/license.shtml>.
14
15 This program is distributed in the hope that it will be useful, but WITHOUT
16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17 FOR A PARTICULAR PURPOSE. See the license for more details.
18*/
19
20/*! \file curiouslyrecurring.hpp
21 \brief Curiously recurring template pattern
22*/
23
24#ifndef quantlib_curiously_recurring_h
25#define quantlib_curiously_recurring_h
26
27#include <ql/qldefines.hpp>
28
29namespace QuantLib {
30
31 //! Support for the curiously recurring template pattern
32 /*! See James O. Coplien. A Curiously Recurring Template Pattern.
33 In Stanley B. Lippman, editor, C++ Gems, 135-144.
34 Cambridge University Press, New York, New York, 1996.
35
36 \ingroup patterns
37 */
38 template <class Impl>
40 protected:
41 // not meant to be instantiated as such
44 // support for the curiously recurring template pattern
45 Impl& impl() {
46 return static_cast<Impl&>(*this);
47 }
48 const Impl& impl() const {
49 return static_cast<const Impl&>(*this);
50 }
51 };
52
53}
54
55
56#endif
Support for the curiously recurring template pattern.
Definition: any.hpp:35
Global definitions and compiler switches.