| 1 | /**************************************************************************** |
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| 2 | ** |
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| 3 | ** Copyright (C) 2016 The Qt Company Ltd. |
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| 4 | ** Contact: https://www.qt.io/licensing/ |
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| 5 | ** |
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| 6 | ** This file is part of the test suite of the Qt Toolkit. |
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| 7 | ** |
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| 8 | ** $QT_BEGIN_LICENSE:GPL-EXCEPT$ |
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| 9 | ** Commercial License Usage |
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| 10 | ** Licensees holding valid commercial Qt licenses may use this file in |
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| 11 | ** accordance with the commercial license agreement provided with the |
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| 12 | ** Software or, alternatively, in accordance with the terms contained in |
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| 13 | ** a written agreement between you and The Qt Company. For licensing terms |
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| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further |
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| 15 | ** information use the contact form at https://www.qt.io/contact-us. |
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| 16 | ** |
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| 17 | ** GNU General Public License Usage |
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| 18 | ** Alternatively, this file may be used under the terms of the GNU |
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| 19 | ** General Public License version 3 as published by the Free Software |
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| 20 | ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT |
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| 21 | ** included in the packaging of this file. Please review the following |
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| 22 | ** information to ensure the GNU General Public License requirements will |
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| 23 | ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
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| 24 | ** |
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| 25 | ** $QT_END_LICENSE$ |
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| 26 | ** |
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| 27 | ****************************************************************************/ |
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| 28 | #ifndef FUNCTIONS_H |
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| 29 | #define FUNCTIONS_H |
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| 30 | |
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| 31 | bool keepEvenIntegers(const int &x) |
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| 32 | { |
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| 33 | return (x & 1) == 0; |
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| 34 | } |
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| 35 | |
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| 36 | class KeepEvenIntegers |
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| 37 | { |
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| 38 | public: |
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| 39 | bool operator()(const int &x) |
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| 40 | { |
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| 41 | return (x & 1) == 0; |
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| 42 | } |
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| 43 | }; |
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| 44 | |
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| 45 | class Number |
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| 46 | { |
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| 47 | int n; |
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| 48 | |
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| 49 | public: |
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| 50 | Number() |
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| 51 | : n(0) |
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| 52 | { } |
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| 53 | |
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| 54 | Number(int n) |
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| 55 | : n(n) |
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| 56 | { } |
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| 57 | |
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| 58 | void multiplyBy2() |
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| 59 | { |
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| 60 | n *= 2; |
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| 61 | } |
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| 62 | |
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| 63 | Number multipliedBy2() const |
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| 64 | { |
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| 65 | return n * 2; |
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| 66 | } |
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| 67 | |
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| 68 | bool isEven() const |
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| 69 | { |
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| 70 | return (n & 1) == 0; |
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| 71 | } |
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| 72 | |
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| 73 | int toInt() const |
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| 74 | { |
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| 75 | return n; |
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| 76 | } |
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| 77 | |
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| 78 | QString toString() const |
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| 79 | { |
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| 80 | return QString::number(n); |
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| 81 | } |
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| 82 | |
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| 83 | bool operator==(const Number &other) const |
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| 84 | { |
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| 85 | return n == other.n; |
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| 86 | } |
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| 87 | }; |
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| 88 | |
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| 89 | void intSumReduce(int &sum, int x) |
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| 90 | { |
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| 91 | sum += x; |
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| 92 | } |
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| 93 | |
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| 94 | class IntSumReduce |
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| 95 | { |
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| 96 | public: |
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| 97 | void operator()(int &sum, int x) |
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| 98 | { |
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| 99 | sum += x; |
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| 100 | } |
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| 101 | }; |
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| 102 | |
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| 103 | void numberSumReduce(int &sum, const Number &x) |
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| 104 | { |
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| 105 | sum += x.toInt(); |
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| 106 | } |
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| 107 | |
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| 108 | class NumberSumReduce |
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| 109 | { |
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| 110 | public: |
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| 111 | void operator()(int &sum, const Number &x) |
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| 112 | { |
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| 113 | sum += x.toInt(); |
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| 114 | } |
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| 115 | }; |
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| 116 | |
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| 117 | #endif |
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| 118 | |
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