diff options
Diffstat (limited to 'src/corelib/doc/snippets/qstring/stringbuilder.cpp')
-rw-r--r-- | src/corelib/doc/snippets/qstring/stringbuilder.cpp | 84 |
1 files changed, 29 insertions, 55 deletions
diff --git a/src/corelib/doc/snippets/qstring/stringbuilder.cpp b/src/corelib/doc/snippets/qstring/stringbuilder.cpp index b81b40e10e..c3a709bd4c 100644 --- a/src/corelib/doc/snippets/qstring/stringbuilder.cpp +++ b/src/corelib/doc/snippets/qstring/stringbuilder.cpp @@ -1,72 +1,46 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the documentation of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +#include <QString> + +using namespace Qt::StringLiterals; //! [0] QString foo; QString type = "long"; - foo = QLatin1String("vector<") + type + QLatin1String(">::iterator"); + foo = "vector<"_L1 + type + ">::iterator"_L1; if (foo.startsWith("(" + type + ") 0x")) ... //! [0] -//! [3] - DEFINES *= QT_USE_QSTRINGBUILDER -//! [3] - //! [5] #include <QStringBuilder> QString hello("hello"); QStringView el = QStringView{ hello }.mid(2, 3); - QLatin1String world("world"); + QLatin1StringView world("world"); QString message = hello % el % world % 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] |