forked from qt-creator/qt-creator
a7956df3ca
Replace the current license disclaimer in files by a SPDX-License-Identifier. Task-number: QTBUG-67283 Change-Id: I708fd1f9f2b73d60f57cc3568646929117825813 Reviewed-by: Eike Ziller <eike.ziller@qt.io>
40 lines
651 B
C++
40 lines
651 B
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
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#include <boost/optional.hpp>
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#include <string>
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using namespace boost;
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struct Large
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{
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Large() { d1 = d2 = d3 = d4 = d5 = 0; }
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double d1;
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double d2;
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double d3;
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double d4;
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double d5;
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};
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void testOptional()
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{
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optional<int> i;
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optional<double> d;
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optional<Large> l;
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optional<std::string &> sr;
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optional<std::string> s;
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std::string as = "hallo";
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i = 1;
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sr = as;
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s = as;
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l = Large();
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i = 2;
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i = 3;
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}
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int main()
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{
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testOptional();
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}
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