diff options
Diffstat (limited to 'src/corelib/doc/snippets/qstring/stringbuilder.cpp')
-rw-r--r-- | src/corelib/doc/snippets/qstring/stringbuilder.cpp | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/src/corelib/doc/snippets/qstring/stringbuilder.cpp b/src/corelib/doc/snippets/qstring/stringbuilder.cpp index 6b3175d48a..c3a709bd4c 100644 --- a/src/corelib/doc/snippets/qstring/stringbuilder.cpp +++ b/src/corelib/doc/snippets/qstring/stringbuilder.cpp @@ -1,6 +1,8 @@ // Copyright (C) 2016 The Qt Company Ltd. // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause +#include <QString> + using namespace Qt::StringLiterals; //! [0] @@ -13,10 +15,6 @@ using namespace Qt::StringLiterals; ... //! [0] -//! [3] - DEFINES *= QT_USE_QSTRINGBUILDER -//! [3] - //! [5] #include <QStringBuilder> @@ -25,3 +23,24 @@ using namespace Qt::StringLiterals; 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] |