Example: remove runfunction example

This example shows how to use QtConcurrent::run by calling a global
function and printing the thread ID. As the documentation already
explains the functionality very well, I don't think this example is
necessary.

https://doc.qt.io/qt-6/qtconcurrentrun.html

Task-number: QTBUG-111165
Change-Id: I42a718cdaabdaeeab39b933d12c67d11978c95da
Reviewed-by: Ivan Solovev <ivan.solovev@qt.io>
(cherry picked from commit de5e0422ca14ad1bc042889fa68772bf6912a215)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

6 files changed, 0 insertions, 81 deletions

diff --git a/examples/qtconcurrent/CMakeLists.txt b/examples/qtconcurrent/CMakeLists.txt
index 89462b589c..0e8843b77a 100644
--- a/examples/qtconcurrent/CMakeLists.txt
+++ b/examples/qtconcurrent/CMakeLists.txt
@@ -7,7 +7,6 @@ endif()
 if(TARGET Qt6::Widgets)
     qt_internal_add_example(imagescaling)
     qt_internal_add_example(progressdialog)
-    qt_internal_add_example(runfunction)
     qt_internal_add_example(wordcount)
 endif()
 if(TARGET Qt6::Gui)
diff --git a/examples/qtconcurrent/qtconcurrent.pro b/examples/qtconcurrent/qtconcurrent.pro
index bdf41b03ea..6afa0f95ed 100644
--- a/examples/qtconcurrent/qtconcurrent.pro
+++ b/examples/qtconcurrent/qtconcurrent.pro
@@ -4,7 +4,6 @@ TEMPLATE      = subdirs
 SUBDIRS       = imagescaling \
                 map \
                 progressdialog \
-                runfunction \
                 wordcount
 
 
@@ -17,6 +16,5 @@ SUBDIRS       = imagescaling \
     SUBDIRS -= \
         imagescaling \
         progressdialog \
-        runfunction \
         wordcount
 }
diff --git a/examples/qtconcurrent/runfunction/CMakeLists.txt b/examples/qtconcurrent/runfunction/CMakeLists.txt
deleted file mode 100644
index 2a05ab238b..0000000000
--- a/examples/qtconcurrent/runfunction/CMakeLists.txt
+++ /dev/null
@@ -1,32 +0,0 @@
-# Copyright (C) 2022 The Qt Company Ltd.
-# SPDX-License-Identifier: BSD-3-Clause
-
-cmake_minimum_required(VERSION 3.16)
-project(runfunction LANGUAGES CXX)
-
-if(NOT DEFINED INSTALL_EXAMPLESDIR)
-    set(INSTALL_EXAMPLESDIR "examples")
-endif()
-
-set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/qtconcurrent/runfunction")
-
-find_package(Qt6 REQUIRED COMPONENTS Concurrent Core Gui Widgets)
-
-qt_standard_project_setup()
-
-qt_add_executable(runfunction
-    main.cpp
-)
-
-target_link_libraries(runfunction PRIVATE
-    Qt6::Concurrent
-    Qt6::Core
-    Qt6::Gui
-    Qt6::Widgets
-)
-
-install(TARGETS runfunction
-    RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
-    BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
-    LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
-)
diff --git a/examples/qtconcurrent/runfunction/doc/src/qtconcurrent-runfunction.qdoc b/examples/qtconcurrent/runfunction/doc/src/qtconcurrent-runfunction.qdoc
deleted file mode 100644
index ae52be3c45..0000000000
--- a/examples/qtconcurrent/runfunction/doc/src/qtconcurrent-runfunction.qdoc
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GFDL-1.3-no-invariants-only
-
-/*!
-    \example runfunction
-    \title Run Function Example
-    \brief Demonstrates how to run standard functions concurrently.
-    \ingroup qtconcurrentexamples
-
-    The QtConcurrent Run Function example shows how to apply concurrency to
-    a standard function, using QFuture instances to retrieve return values
-    at a later time.
-
-    This is a command-line application.
-*/
diff --git a/examples/qtconcurrent/runfunction/main.cpp b/examples/qtconcurrent/runfunction/main.cpp
deleted file mode 100644
index 4c00e11f1d..0000000000
--- a/examples/qtconcurrent/runfunction/main.cpp
+++ /dev/null
@@ -1,24 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
-
-#include <QDebug>
-#include <QThread>
-#include <QString>
-#include <qtconcurrentrun.h>
-#include <QApplication>
-
-using namespace QtConcurrent;
-
-void hello(QString name)
-{
-    qDebug() << "Hello" << name << "from" << QThread::currentThread();
-}
-
-int main(int argc, char **argv)
-{
-    QApplication app(argc, argv);
-    QFuture<void> f1 = run(hello, QString("Alice"));
-    QFuture<void> f2 = run(hello, QString("Bob"));
-    f1.waitForFinished();
-    f2.waitForFinished();
-}
diff --git a/examples/qtconcurrent/runfunction/runfunction.pro b/examples/qtconcurrent/runfunction/runfunction.pro
deleted file mode 100644
index 42c05551ba..0000000000
--- a/examples/qtconcurrent/runfunction/runfunction.pro
+++ /dev/null
@@ -1,7 +0,0 @@
-QT += concurrent widgets
-CONFIG += cmdline
-
-SOURCES += main.cpp
-
-target.path = $$[QT_INSTALL_EXAMPLES]/qtconcurrent/runfunction
-INSTALLS += target