new examples

Callback_33/Callback_33.sln

@@ -0,0 +1,31 @@
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+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
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+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
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Callback_33/Callback_33/Callback_33.cpp

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+// Callback_19.cpp : Diese Datei enthält die Funktion "main". Hier beginnt und endet die Ausführung des Programms.
+//
+
+#include <iostream>
+/**
+ * Example code for:
+ *   - callback storage with std::vector
+ *   - use of std::function
+ *   - use of std::bind
+ *   - use of lambda function as callback
+ */
+
+#include <cstdint>
+#include <cstdio>
+#include <functional>
+#include <vector>
+
+
+ /**
+  * Basic std::function callback example. Templated on a function signature
+  * that takes in a uint32_t and returns void.
+  */
+
+struct myData {
+	int myAge = 55;
+	const char* pchar = "myData struct";
+	enum en_sex { MALE, FEMALE, DIVERS } sex = MALE;
+};
+
+struct myOtherData : myData {
+	int myOtherAge = 35;
+};
+
+
+/**
+ * Alternative storage implementation.  Perhaps you want to store
+ * callbacks for different event types?
+ */
+enum my_events_t
+{
+	VIDEO_STOP = 0,
+	VIDEO_START,
+	VIDEO_PAUS,
+	EVENT_MAX
+};
+
+struct cb_event_t
+{
+	std::function<void(myData)> cb;
+	my_events_t event;
+};
+
+/**
+ * Event based example.  Constructed with a uint32_t.
+ * Callbacks are passed this uint32_t.
+ * Callbacks are only invoked when their event type matches the
+ * occuring event.
+ */
+class EventDriver
+{
+
+	typedef std::function<void(myData)> cb_t;
+
+public:
+
+	EventDriver() : callbacks_() {};
+
+	// Register a callback.
+	void register_callback(const cb_t& cb, const my_events_t event)
+	{
+		// add callback to end of callback list
+		callbacks_.push_back({ cb, event });
+	}
+
+	/// Call all the registered callbacks.
+	void callback(myData& val, my_events_t event) const
+	{
+		// my_events_t event = VIDEO_START;
+		// iterate through callback list and call each one
+		for (const auto& cb : callbacks_)
+		{
+			if (cb.event == event)
+			{
+				cb.cb(val);
+			}
+		}
+	}
+
+private:
+	/// Integer to pass to callbacks.
+	// myData &val_ ;
+	/// List of callback functions.
+	std::vector<cb_event_t> callbacks_;
+};
+
+
+/***********************************************************************************************************************
+ * Dummy Client #1
+ * Uses a static method for a callback.
+ */
+class Client1
+{
+public:
+	static void func(myData v)
+	{
+		printf("static member callback: %d\n", v.myAge);
+	}
+};
+
+/***********************************************************************************************************************
+ * Dummy Client #2
+ * Uses an instance method as a callback
+ */
+class Client2
+{
+public:
+	void func(myData v) const
+	{
+		printf("instance member callback: %d\n", v.myAge);
+	}
+};
+
+/***********************************************************************************************************************
+ *    Callback on a c function
+ */
+extern "C"
+{
+	static void c_client_callback(myData v)
+	{
+		printf("C function callback: %d\n", v.myAge);
+	}
+}
+
+int main()
+{
+	/**
+	 * Examples using the basic driver
+	 * This is constructed with a specific value
+	 * Each callback receives this value
+	 */
+	Client2 c2;
+	myData mydata = { 55, "myData struct", myData::MALE };
+	myOtherData myotherdata;
+
+
+	/**
+	 * Examples using the Event Driver.
+	 * Note that some callbacks will not be called -
+	 * their event type is different!
+	 */
+	EventDriver ed;
+
+	printf("Beginning of examples using the EventDriver\n");
+
+	// register a lambda function as a callback
+	ed.register_callback(
+		[&mydata](myData mydata) {
+			printf("lambda callback: %d\n", mydata.myAge);
+		},
+		VIDEO_START);
+
+	// register client2 cb using std::bind
+	ed.register_callback(std::bind(&Client2::func, &c2, std::placeholders::_1), VIDEO_START);
+
+	// register a static class method as a callback
+	ed.register_callback(&Client1::func, VIDEO_STOP);
+
+	// register a C function pointer as a callback
+	ed.register_callback(&c_client_callback, VIDEO_PAUS);
+	ed.callback(mydata, VIDEO_START);
+	ed.callback(mydata, VIDEO_STOP);
+	ed.callback(myotherdata, VIDEO_PAUS);
+
+	printf("End of examples using the EventDriver\n");
+
+	return 0;
+}

Callback_33/Callback_33/Callback_33.vcxproj

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Callback_33/Callback_33/Callback_33.vcxproj.filters

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Callback_33/Callback_33/Callback_33.vcxproj.user

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Callback_33/Callback_33/x64/Debug/Callback_33.exe.recipe

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+  <ContentFiles />
+  <SatelliteDlls />
+  <NonRecipeFileRefs />
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Callback_33/Callback_33/x64/Debug/Callback_33.log

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+  Callback_33.vcxproj -> C:\Users\wruser\source\repos\Callback_33\x64\Debug\Callback_33.exe

Callback_33/Callback_33/x64/Debug/Callback_33.tlog/Callback_33.lastbuildstate

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Callback_34/Callback_34.sln

@@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
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+VisualStudioVersion = 17.2.32630.192
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Callback_34/Callback_34/Callback_34.cpp

@@ -0,0 +1,124 @@
+#include <typeinfo>
+#include <typeindex>
+#include <unordered_map>
+#include <iostream>
+
+using namespace std;
+
+template <typename R>
+class MultiFuncObject {
+    unordered_map<type_index, void (*)()> m_funcs;
+public:
+
+    MultiFuncObject<R> operator +=(R(*f)()) {
+        m_funcs[typeid(R())] = (void (*)()) f;
+        return *this;
+    }
+
+    template <typename A1>
+    MultiFuncObject<R> operator +=(R(*f)(A1)) {
+        m_funcs[typeid(R(A1))] = (void (*)()) f;
+        return *this;
+    }
+
+    template <typename A1, typename A2>
+    MultiFuncObject<R> operator +=(R(*f)(A1, A2)) {
+        m_funcs[typeid(R(A1, A2))] = (void (*)()) f;
+        return *this;
+    }
+
+    template <typename A1, typename A2, typename A3>
+    MultiFuncObject<R> operator +=(R(*f)(A1, A2, A3)) {
+        m_funcs[typeid(R(A1, A2, A3))] = (void (*)()) f;
+        return *this;
+    }
+
+    R operator()() const
+    {
+        unordered_map<type_index, void (*)()>::const_iterator it = m_funcs.find(typeid(R()));
+        if (it != m_funcs.end()) {
+            R(*f)() = (R(*)())(it->second);
+            (*f)();
+        }
+    }
+
+    template <typename A1>
+    R operator()(A1 a1) const
+    {
+        unordered_map<type_index, void (*)()>::const_iterator it = m_funcs.find(typeid(R(A1)));
+        if (it != m_funcs.end()) {
+            R(*f)(A1) = (R(*)(A1))(it->second);
+            (*f)(a1);
+        }
+    }
+
+    template <typename A1, typename A2>
+    R operator()(A1 a1, A2 a2) const
+    {
+        unordered_map<type_index, void (*)()>::const_iterator it = m_funcs.find(typeid(R(A1, A2)));
+        if (it != m_funcs.end()) {
+            R(*f)(A1, A2) = (R(*)(A1, A2))(it->second);
+            (*f)(a1, a2);
+        }
+    }
+
+    template <typename A1, typename A2, typename A3>
+    R operator()(A1 a1, A2 a2, A3 a3) const
+    {
+        unordered_map<type_index, void (*)()>::const_iterator it = m_funcs.find(typeid(R(A1, A2, A3)));
+        if (it != m_funcs.end()) {
+            R(*f)(A1, A2, A3) = (R(*)(A1, A2, A3))(it->second);
+            (*f)(a1, a2, a3);
+        }
+    }
+};
+
+struct myData {
+    int myAge = 55;
+    const char* pchar = "myData struct";
+    enum en_sex { MALE, FEMALE, DIVERS } sex = MALE;
+};
+
+struct myOtherData : myData {
+    int myOtherAge = 35;
+};
+
+
+void _1() {
+    cout << "_1" << endl;
+}
+
+void _2(myData* a) {
+    cout << "_2" << " " << a->pchar << endl;
+}
+
+void _3(myData* a, myOtherData* b) {
+    b->myOtherAge = 25;
+    cout << "_3" << " " << b->myOtherAge << endl;
+}
+
+void _4(myData* a, myOtherData* b, int c) {
+    b->myOtherAge = c;
+    cout << "_3" << " " << b->myOtherAge << endl;
+}
+
+
+
+int main() {
+
+    myData mydata = { 55, "myData struct", myData::MALE };
+    myOtherData myotherdata;
+
+    MultiFuncObject<void> funcs;
+    funcs += &_1;
+    funcs += &_2;
+    funcs += &_3;
+    funcs += &_4;
+
+    funcs();
+    funcs(&mydata);
+    funcs(&mydata, &myotherdata); 
+    funcs(&mydata, &myotherdata, 15);
+
+    return 0;
+}

Callback_34/Callback_34/Callback_34.vcxproj

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Callback_34/Callback_34/x64/Debug/Callback_34.exe.recipe

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Callback_34/Callback_34/x64/Debug/Callback_34.log

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Callback_34/Callback_34/x64/Debug/Callback_34.tlog/Callback_34.lastbuildstate

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Callback_35/Callback_35.sln

@@ -0,0 +1,31 @@
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+EndProject
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+		Release|x64 = Release|x64
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Callback_35/Callback_35/Callback_35.cpp

@@ -0,0 +1,191 @@
+// Callback_19.cpp : Diese Datei enthält die Funktion "main". Hier beginnt und endet die Ausführung des Programms.
+//
+
+#include <iostream>
+/**
+ * Example code for:
+ *   - callback storage with std::vector
+ *   - use of std::function
+ *   - use of std::bind
+ *   - use of lambda function as callback
+ */
+
+#include <cstdint>
+#include <cstdio>
+#include <functional>
+#include <vector>
+#include "Header.h"
+#include "Header1.h"
+
+
+
+void _1() {
+	cout << "_1" << endl;
+}
+
+void _2(myData* a) {
+	cout << "_2" << " " << a->pchar << endl;
+}
+
+void _3(myData* a, myOtherData* b) {
+	b->myOtherAge = 25;
+	cout << "_3" << " " << b->myOtherAge << endl;
+}
+
+void _4(myData* a, myOtherData* b, int c) {
+	b->myOtherAge = c;
+	cout << "_3" << " " << b->myOtherAge << endl;
+}
+
+#if 0
+
+int main()
+{
+	/**
+	 * Examples using the basic driver
+	 * This is constructed with a specific value
+	 * Each callback receives this value
+	 */
+	Client2 c2;
+	myData mydata = { 55, "myData struct", myData::MALE };
+	myOtherData myotherdata;
+
+
+	/**
+	 * Examples using the Event Driver.
+	 * Note that some callbacks will not be called -
+	 * their event type is different!
+	 */
+	EventDriver ed;
+
+	printf("Beginning of examples using the EventDriver\n");
+
+	// register a lambda function as a callback
+	ed.register_callback(
+		[&mydata](myData mydata) {
+			printf("lambda callback: %d\n", mydata.myAge);
+		},
+		VIDEO_START);
+
+	// register client2 cb using std::bind
+	ed.register_callback(std::bind(&Client2::func, &c2, std::placeholders::_1), VIDEO_START);
+
+	// register a static class method as a callback
+	ed.register_callback(&Client1::func, VIDEO_STOP);
+
+	// register a C function pointer as a callback
+	ed.register_callback(&c_client_callback, VIDEO_PAUS);
+	ed.callback(mydata, VIDEO_START);
+	ed.callback(mydata, VIDEO_STOP);
+	ed.callback(myotherdata, VIDEO_PAUS);
+
+	printf("End of examples using the EventDriver\n");
+
+	return 0;
+}
+
+#else
+
+/**
+ * Alternative storage implementation.  Perhaps you want to store
+ * callbacks for different event types?
+ */
+struct cb_event_t2
+{
+	std::function<void(myData)> cb;
+	my_events_t event;
+};
+/**
+ * Event based example.  Constructed with a uint32_t.
+ * Callbacks are passed this uint32_t.
+ * Callbacks are only invoked when their event type matches the
+ * occuring event.
+ */
+class EventDriverNew
+{
+
+	typedef std::function<void(myData)> cb_t;
+
+	// MultiFuncObject<void> funcs;
+	// typedef std::function<void(MultiFuncObject)> cb_t2;
+
+public:
+
+	EventDriverNew() : callbacks_() {};
+
+	// Register a callback.
+	void register_callback(const cb_t& cb, const my_events_t event)
+	{
+		// add callback to end of callback list
+		callbacks_.push_back({ cb, event });
+	}
+
+	/// Call all the registered callbacks.
+	void callback(myData& val, my_events_t event) const
+	{
+		// my_events_t event = VIDEO_START;
+		// iterate through callback list and call each one
+		for (const auto& cb : callbacks_)
+		{
+			if (cb.event == event)
+			{
+				cb.cb(val);
+			}
+		}
+	}
+
+private:
+	/// Integer to pass to callbacks.
+	// myData &val_ ;
+	/// List of callback functions.
+	std::vector<cb_event_t> callbacks_;
+};
+
+
+
+
+class helper {
+
+	EventDriverNew ed;
+	myData mydata = { 15, "myData struct", myData::FEMALE };
+
+public:
+	void cb_register() {
+
+		ed.register_callback(
+			[this](myData mydata) {
+				printf("lambda callback: %d\n", mydata.myAge);
+			},
+			VIDEO_START);
+	};
+
+	void cb_callback() {
+		ed.callback(mydata, VIDEO_START);
+	}
+};
+
+int main() {
+
+	helper help; 
+
+	myData mydata = { 55, "myData struct", myData::MALE };
+	myOtherData myotherdata;
+
+	help.cb_register();
+	help.cb_callback();
+
+	MultiFuncObject<void> funcs;
+	funcs += &_1;
+	funcs += &_2;
+	funcs += &_3;
+	funcs += &_4;
+
+	funcs();
+	funcs(&mydata);
+	funcs(&mydata, &myotherdata);
+	funcs(&mydata, &myotherdata, 15);
+
+	return 0;
+}
+
+#endif

Callback_35/Callback_35/Callback_35.vcxproj

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Callback_35/Callback_35/Callback_35.vcxproj.user

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Callback_35/Callback_35/Header.h

@@ -0,0 +1,132 @@
+#pragma once
+
+/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+ *
+ */
+
+ /**
+  * Basic std::function callback example. Templated on a function signature
+  * that takes in a uint32_t and returns void.
+  */
+
+struct myData {
+    int myAge = 55;
+    const char* pchar = "myData struct";
+    enum en_sex { MALE, FEMALE, DIVERS } sex = MALE;
+};
+
+struct myOtherData : myData {
+    int myOtherAge = 35;
+};
+
+
+/**
+ * Alternative storage implementation.  Perhaps you want to store
+ * callbacks for different event types?
+ */
+enum my_events_t
+{
+    VIDEO_STOP = 0,
+    VIDEO_START,
+    VIDEO_PAUS,
+    EVENT_MAX
+};
+
+/**
+ * Alternative storage implementation.  Perhaps you want to store
+ * callbacks for different event types?
+ */
+struct cb_event_t
+{
+	std::function<void(myData)> cb;
+	my_events_t event;
+};
+
+
+
+/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+ *
+ */
+
+
+
+/***********************************************************************************************************************
+ * Dummy Client #1
+ * Uses a static method for a callback.
+ */
+class Client1
+{
+public:
+    static void func(myData v)
+    {
+        printf("static member callback: %d\n", v.myAge);
+    }
+};
+
+/***********************************************************************************************************************
+ * Dummy Client #2
+ * Uses an instance method as a callback
+ */
+class Client2
+{
+public:
+    void func(myData v) const
+    {
+        printf("instance member callback: %d\n", v.myAge);
+    }
+};
+
+/***********************************************************************************************************************
+ *    Callback on a c function
+ */
+extern "C"
+{
+    static void c_client_callback(myData v)
+    {
+        printf("C function callback: %d\n", v.myAge);
+    }
+}
+
+
+/**
+ * Event based example.  Constructed with a uint32_t.
+ * Callbacks are passed this uint32_t.
+ * Callbacks are only invoked when their event type matches the
+ * occuring event.
+ */
+class EventDriver
+{
+
+	typedef std::function<void(myData)> cb_t;
+
+public:
+
+	EventDriver() : callbacks_() {};
+
+	// Register a callback.
+	void register_callback(const cb_t& cb, const my_events_t event)
+	{
+		// add callback to end of callback list
+		callbacks_.push_back({ cb, event });
+	}
+
+	/// Call all the registered callbacks.
+	void callback(myData& val, my_events_t event) const
+	{
+		// my_events_t event = VIDEO_START;
+		// iterate through callback list and call each one
+		for (const auto& cb : callbacks_)
+		{
+			if (cb.event == event)
+			{
+				cb.cb(val);
+			}
+		}
+	}
+
+private:
+	/// Integer to pass to callbacks.
+	// myData &val_ ;
+	/// List of callback functions.
+	std::vector<cb_event_t> callbacks_;
+};

Callback_35/Callback_35/Header1.h

@@ -0,0 +1,179 @@
+#pragma once
+
+#include <typeinfo>
+#include <typeindex>
+#include <unordered_map>
+#include <iostream>
+
+using namespace std;
+
+template <typename R>
+class MultiFuncObject {
+    unordered_map<type_index, void (*)()> m_funcs;
+
+
+public:
+
+    MultiFuncObject<R> operator +=(R(*f)()) {
+        // auto _r0_ = make_pair(1, typeid(R()));
+        m_funcs[typeid(R())] = (void (*)()) f;
+        return *this;
+    }
+
+    template <typename A1>
+    MultiFuncObject<R> operator +=(R(*f)(A1)) {
+        m_funcs[typeid(R(A1))] = (void (*)()) f;
+        return *this;
+    }
+
+    template <typename A1, typename A2>
+    MultiFuncObject<R> operator +=(R(*f)(A1, A2)) {
+        m_funcs[typeid(R(A1, A2))] = (void (*)()) f;
+        return *this;
+    }
+
+    template <typename A1, typename A2, typename A3>
+    MultiFuncObject<R> operator +=(R(*f)(A1, A2, A3)) {
+        m_funcs[typeid(R(A1, A2, A3))] = (void (*)()) f;
+        return *this;
+    }
+
+    R operator()() const
+    {
+        unordered_map<type_index, void (*)()>::const_iterator it = m_funcs.find(typeid(R()));       
+        if (it != m_funcs.end()) {
+            R(*f)() = (R(*)())(it->second);
+            (*f)();
+        }
+    }
+
+    template <typename A1>
+    R operator()(A1 a1) const
+    {
+        unordered_map<type_index, void (*)()>::const_iterator it = m_funcs.find(typeid(R(A1)));
+        if (it != m_funcs.end()) {
+            R(*f)(A1) = (R(*)(A1))(it->second);
+            (*f)(a1);
+        }
+    }
+
+    template <typename A1, typename A2>
+    R operator()(A1 a1, A2 a2) const
+    {
+        unordered_map<type_index, void (*)()>::const_iterator it = m_funcs.find(typeid(R(A1, A2)));
+        if (it != m_funcs.end()) {
+            R(*f)(A1, A2) = (R(*)(A1, A2))(it->second);
+            (*f)(a1, a2);
+        }
+    }
+
+    template <typename A1, typename A2, typename A3>
+    R operator()(A1 a1, A2 a2, A3 a3) const
+    {
+        unordered_map<type_index, void (*)()>::const_iterator it = m_funcs.find(typeid(R(A1, A2, A3)));
+        if (it != m_funcs.end()) {
+            R(*f)(A1, A2, A3) = (R(*)(A1, A2, A3))(it->second);
+            (*f)(a1, a2, a3);
+        }
+    }
+};
+
+
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+#if 0
+
+template <typename R>
+class NewMultiFuncObject {
+    unordered_map<std::pair<int, type_index>, void (*)()> m_funcs; // 
+public:
+
+    NewMultiFuncObject<R> operator +=(R(*f)()) {
+        // m_funcs[make_pair(1, typeid(R()))] = (void (*)()) f;
+        return *this;
+    }
+
+    template <typename A1>
+    NewMultiFuncObject<R> operator +=(R(*f)(A1)) {
+        // m_funcs[make_pair(1, typeid(R(A1)))] = (void (*)()) f;
+        return *this;
+    }
+
+    template <typename A1, typename A2>
+    NewMultiFuncObject<R> operator +=(R(*f)(A1, A2)) {
+        // m_funcs[make_pair(1, typeid(R(A1, A2)))] = (void (*)()) f;
+        return *this;
+    }
+
+    template <typename A1, typename A2, typename A3>
+    NewMultiFuncObject<R> operator +=(R(*f)(A1, A2, A3)) {
+        // m_funcs[make_pair(1, typeid(R(A1, A2, A3)))] = (void (*)()) f;
+        return *this;
+    }
+
+    R operator()() const
+    {
+        unordered_map<std::pair<int, type_index>, void (*)()>::const_iterator it = m_funcs.find(make_pair(1, typeid(R())));
+        if (it != m_funcs.end()) {
+     //       R(*f)() = (R(*)())(it->second);
+     //       (*f)();
+        }
+    }
+
+    template <typename A1>
+    R operator()(A1 a1) const
+    {
+        unordered_map<std::pair<int, type_index>, void (*)()>::const_iterator it = m_funcs.find(make_pair(1, typeid(R(A1))));
+        if (it != m_funcs.end()) {
+       //     R(*f)(A1) = (R(*)(A1))(it->second);
+       //     (*f)(a1);
+        }
+    }
+
+    template <typename A1, typename A2>
+    R operator()(A1 a1, A2 a2) const
+    {
+        unordered_map<std::pair<int, type_index>, void (*)()>::const_iterator it = m_funcs.find(make_pair(1, typeid(R(A1, A2))));
+        if (it != m_funcs.end()) {
+       //     R(*f)(A1, A2) = (R(*)(A1, A2))(it->second);
+       //     (*f)(a1, a2);
+        }
+    }
+
+    template <typename A1, typename A2, typename A3>
+    R operator()(A1 a1, A2 a2, A3 a3) const
+    {
+        unordered_map<std::pair<int, type_index>, void (*)()>::const_iterator it = m_funcs.find(make_pair(1, typeid(R(A1, A2, A3))));
+        if (it != m_funcs.end()) {
+        //    R(*f)(A1, A2, A3) = (R(*)(A1, A2, A3))(it->second);
+        //    (*f)(a1, a2, a3);
+        }
+    }
+};
+#endif
+
+#if 1
+
+template <typename R>
+class NewMultiFuncObject {
+    unordered_map<type_index, void (*)()> m_funcs; 
+    unordered_map<string, unordered_map<std::pair<std::int32_t, type_index>, void (*)()>> m_funcs2;
+
+public:
+
+    NewMultiFuncObject<R> operator +=(R(*f)()) {
+        m_funcs2["test"][typeid(R())] = (void (*)()) f;
+        return *this;
+    }
+
+    R operator()() const
+    {
+        unordered_map<type_index , void (*)()>::const_iterator it = m_funcs.find(typeid(R()));
+        if (it != m_funcs.end()) {
+           R(*f)() = (R(*)())(it->second);
+           (*f)();
+        }
+    }
+};
+
+#endif
+

Callback_35/Callback_35/x64/Debug/Callback_35.exe.recipe

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project>
+  <ProjectOutputs>
+    <ProjectOutput>
+      <FullPath>C:\Users\wruser\source\repos\Callback_35\x64\Debug\Callback_35.exe</FullPath>
+    </ProjectOutput>
+  </ProjectOutputs>
+  <ContentFiles />
+  <SatelliteDlls />
+  <NonRecipeFileRefs />
+</Project>

Callback_35/Callback_35/x64/Debug/Callback_35.log

@@ -0,0 +1,2 @@
+  Callback_35.cpp
+  Callback_35.vcxproj -> C:\Users\wruser\source\repos\Callback_35\x64\Debug\Callback_35.exe

Callback_35/Callback_35/x64/Debug/Callback_35.tlog/Callback_35.lastbuildstate

@@ -0,0 +1,2 @@
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Callback_36/Callback_36.sln

@@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.2.32630.192
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Callback_36", "Callback_36\Callback_36.vcxproj", "{9DB70E3F-E1AF-4126-99C7-5DC0FDCB7AFF}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{9DB70E3F-E1AF-4126-99C7-5DC0FDCB7AFF}.Debug|x64.ActiveCfg = Debug|x64
+		{9DB70E3F-E1AF-4126-99C7-5DC0FDCB7AFF}.Debug|x64.Build.0 = Debug|x64
+		{9DB70E3F-E1AF-4126-99C7-5DC0FDCB7AFF}.Debug|x86.ActiveCfg = Debug|Win32
+		{9DB70E3F-E1AF-4126-99C7-5DC0FDCB7AFF}.Debug|x86.Build.0 = Debug|Win32
+		{9DB70E3F-E1AF-4126-99C7-5DC0FDCB7AFF}.Release|x64.ActiveCfg = Release|x64
+		{9DB70E3F-E1AF-4126-99C7-5DC0FDCB7AFF}.Release|x64.Build.0 = Release|x64
+		{9DB70E3F-E1AF-4126-99C7-5DC0FDCB7AFF}.Release|x86.ActiveCfg = Release|Win32
+		{9DB70E3F-E1AF-4126-99C7-5DC0FDCB7AFF}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {CBF16AE7-36DB-42C2-A6A9-7E5D6A37141E}
+	EndGlobalSection
+EndGlobal

Callback_36/Callback_36/Callback_36.cpp

@@ -0,0 +1,47 @@
+// Callback_36.cpp : Diese Datei enthält die Funktion "main". Hier beginnt und endet die Ausführung des Programms.
+//
+
+#include <iostream>
+#include <type_traits>
+#include <functional>
+#include <type_traits>
+#include <utility>
+
+// https://stackoverflow.com/questions/55554765/pass-function-pointer-into-variadic-template-function
+
+
+struct cTest {
+
+    int testVar = 12;
+};
+
+void printint(int i)
+{
+    std::cout << "int" << std::endl;
+}
+
+void printstr(const char  *p)
+{
+    std::cout << "string" << std::endl;
+}
+
+void printcTest(cTest *p)
+{
+    std::cout << "cTest" << std::endl;
+    p->testVar = 14; 
+}
+
+template <typename... Args>
+void run_callback(const std::common_type_t<std::function<void(Args...)>>& func, Args... as)
+{
+    func(std::forward<Args>(as)...);  // call the callback
+}
+
+int main() {
+    cTest ctest; 
+
+    run_callback(printint, 1);
+    run_callback(printstr, "Test");
+    run_callback(printcTest, &ctest);
+
+}

Callback_36/Callback_36/Callback_36.vcxproj

@@ -0,0 +1,135 @@
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+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
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+    <VCProjectVersion>16.0</VCProjectVersion>
+    <Keyword>Win32Proj</Keyword>
+    <ProjectGuid>{9db70e3f-e1af-4126-99c7-5dc0fdcb7aff}</ProjectGuid>
+    <RootNamespace>Callback36</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
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+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
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+    <PlatformToolset>v143</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
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+    <CharacterSet>Unicode</CharacterSet>
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+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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+      <SDLCheck>true</SDLCheck>
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+      <ConformanceMode>true</ConformanceMode>
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+    <Link>
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+      <FunctionLevelLinking>true</FunctionLevelLinking>
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+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
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+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
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+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
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+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
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+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
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Callback_36/Callback_36/Callback_36.vcxproj.filters

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Callback_36/Callback_36/Callback_36.vcxproj.user

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Callback_36/Callback_36/x64/Debug/Callback_36.exe.recipe

@@ -0,0 +1,11 @@
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+<Project>
+  <ProjectOutputs>
+    <ProjectOutput>
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+  <SatelliteDlls />
+  <NonRecipeFileRefs />
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Callback_36/Callback_36/x64/Debug/Callback_36.log

@@ -0,0 +1,2 @@
+  Callback_36.cpp
+  Callback_36.vcxproj -> C:\Users\wruser\source\repos\Callback_36\x64\Debug\Callback_36.exe

Callback_36/Callback_36/x64/Debug/Callback_36.tlog/Callback_36.lastbuildstate

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