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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include <QString>
++
++ //! [0]
++ // Required for using the '_L1' string literal.
++ using namespace Qt::StringLiterals;
++ // ...
++
++ QString foo;
++ QString type = "long";
++
++ foo = "vector<"_L1 + type + ">::iterator"_L1;
++
++ if (foo.startsWith("(" + type + ") 0x"))
++ ...
++ //! [0]
++
++ //! [5]
++ #include <QStringBuilder>
++
++ QString hello("hello");
++ QStringView el = QStringView{ hello }.sliced(2, 3);
++ QString message = hello % el % "world"_L1 % QChar('!');
++ //! [5]
++
++ //! [6]
++ QString str("QStringBuilder");
++
++ // "s" type is deduced as QStringBuilder<...>
++ auto s = "Like hot glue, " % str % " concatenates strings";
++
++ // Similarly the return type of this lambda is deduced as QStringBuilder<...>
++ auto concatenateStr = []() {
++ return "Like hot glue, " % str % " concatenates strings";
++ };
++ //! [6]
++
++ //! [7]
++ QString s = "Like hot glue, " % str % " concatenates strings";
++
++ // With a lambda, specify a trailing return type:
++ auto concatenateStr = []() -> QString {
++ return "Like hot glue, " % str % " concatenates strings";
++ };
++ //! [7]