src_corelib_tools_qscopeguard.cpp

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// Copyright (C) 2018 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Sérgio Martins <sergio.martins@kdab.com>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
#include <QScopeGuard>
 
int code_that_might_throw_exceptions() { return 0; };
 
//! [0]
void myComplexCodeWithMultipleReturnPoints(int v)
{
    // The lambda will be executed right before your function returns
    auto cleanup = qScopeGuard([] { /* code you want executed goes HERE; */ });
 
    if (v == -1)
        return;
 
    int v2 = code_that_might_throw_exceptions();
 
    if (v2 == -1)
        return;
 
    //...
}
//! [0]