src_corelib_text_qbytearrayview.cpp

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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QByteArrayView>
 
//! [0]
    void myfun1(QByteArrayView bv);        // preferred
    void myfun2(const QByteArrayView &bv); // compiles and works, but slower
//! [0]
 
//! [1]
    void fun(QByteArrayView bv);
    void fun(char ch) { fun(QByteArrayView(&ch, 1)); }
//! [1]
 
void examples()
{
    {
        //! [2]
        QByteArrayView str("FF");
        bool ok;
        int hex = str.toInt(&ok, 16);     // hex == 255, ok == true
        int dec = str.toInt(&ok, 10);     // dec == 0, ok == false
        //! [2]
    }
 
    {
        //! [3]
        QByteArrayView str("FF");
        bool ok;
        long hex = str.toLong(&ok, 16);   // hex == 255, ok == true
        long dec = str.toLong(&ok, 10);   // dec == 0, ok == false
        //! [3]
    }
 
    {
        //! [4]
        QByteArrayView string("1234.56 Volt");
        bool ok;
        float a = string.toFloat(&ok);       // a == 0, ok == false
        a = string.first(7).toFloat(&ok); // a == 1234.56, ok == true
        //! [4]
    }
}