new examples

Callback_32/Callback_32.sln

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+
+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_32", "Callback_32\Callback_32.vcxproj", "{4586963B-6EF0-4C0E-AB30-DACA2FEED8ED}"
+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
+		{4586963B-6EF0-4C0E-AB30-DACA2FEED8ED}.Debug|x64.ActiveCfg = Debug|x64
+		{4586963B-6EF0-4C0E-AB30-DACA2FEED8ED}.Debug|x64.Build.0 = Debug|x64
+		{4586963B-6EF0-4C0E-AB30-DACA2FEED8ED}.Debug|x86.ActiveCfg = Debug|Win32
+		{4586963B-6EF0-4C0E-AB30-DACA2FEED8ED}.Debug|x86.Build.0 = Debug|Win32
+		{4586963B-6EF0-4C0E-AB30-DACA2FEED8ED}.Release|x64.ActiveCfg = Release|x64
+		{4586963B-6EF0-4C0E-AB30-DACA2FEED8ED}.Release|x64.Build.0 = Release|x64
+		{4586963B-6EF0-4C0E-AB30-DACA2FEED8ED}.Release|x86.ActiveCfg = Release|Win32
+		{4586963B-6EF0-4C0E-AB30-DACA2FEED8ED}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {29EF6067-F161-4FA8-AC53-382DE8D0B22A}
+	EndGlobalSection
+EndGlobal

Callback_32/Callback_32/Callback_32.cpp

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+// Callback_32.cpp : Diese Datei enthält die Funktion "main". Hier beginnt und endet die Ausführung des Programms.
+//
+
+#include <iostream>
+#include <ostream>
+#include <vector>
+#include <memory>
+
+// https://cplusplus.com/forum/articles/18756/
+
+#if 1
+
+class Weapon {
+public:
+    int i = 10;
+};
+class Armor {
+public:
+    int i = 11;
+};
+class Helmet {
+public:
+    int i = 12;
+};
+class Scroll {
+public:
+    int i = 13;
+};
+class Potion {
+public:
+    int i = 14;
+};
+
+class Object {
+
+public:
+
+    struct ObjectConcept {
+        virtual ~ObjectConcept() {}
+        virtual bool has_attack_concept() const = 0;
+        virtual std::string name() const = 0;
+    };
+
+    template< typename T > struct ObjectModel : ObjectConcept {
+        ObjectModel(const T& t) : object(t) {}
+        virtual ~ObjectModel() {}
+    private:
+        T object;
+    };
+
+    std::shared_ptr<ObjectConcept> object;
+
+public:
+    template< typename T > Object(const T& obj) :
+        object(new ObjectModel<T>(obj)) {}
+
+    std::string name() const
+    {
+        return object->name();
+    }
+
+    bool has_attack_concept() const
+    {
+        return object->has_attack_concept();
+    }
+};
+
+
+int main() {
+    std::vector< Object > backpack;
+
+    backpack.push_back(Object(Weapon()));
+    backpack.push_back(Object(Armor()));
+    backpack.push_back(Object(Potion()));
+    backpack.push_back(Object(Scroll()));
+
+    for (auto &_btn : backpack)
+    {
+        std::cout << _btn.object << std::endl;
+    }
+}
+
+#else
+
+
+struct Weapon {
+    bool can_attack() const { return true; } // All weapons can do damage
+};
+
+struct Armor {
+    bool can_attack() const { return false; } // Cannot attack with armor...
+};
+
+struct Helmet {
+    bool can_attack() const { return false; } // Cannot attack with helmet...
+};
+
+struct Scroll {
+    bool can_attack() const { return false; }
+};
+
+struct FireScroll {
+    bool can_attack() const { return true; }
+};
+
+struct Potion {
+    bool can_attack() const { return false; }
+};
+
+struct PoisonPotion {
+    bool can_attack() const { return true; }
+};
+
+
+class Object {
+    struct ObjectConcept {
+        virtual ~ObjectConcept() {}
+        virtual bool has_attack_concept() const = 0;
+        virtual std::string name() const = 0;
+    };
+
+    template< typename T > struct ObjectModel : ObjectConcept {
+        ObjectModel(const T& t) : object(t) {}
+        virtual ~ObjectModel() {}
+        virtual bool has_attack_concept() const
+        {
+            return object.can_attack();
+        }
+/*
+        virtual std::string name() const
+        {
+            return typeid(object).name;
+        }
+*/
+    private:
+        T object;
+    };
+
+    std::shared_ptr<ObjectConcept> object;
+
+public:
+    template< typename T > Object(const T& obj) :
+        object(new ObjectModel<T>(obj)) {}
+/*
+    std::string name() const
+    {
+        return object->name();
+    }
+*/
+    bool has_attack_concept() const
+    {
+        return object->has_attack_concept();
+    }
+};
+
+int main() {
+    typedef std::vector< Object >    Backpack;
+    typedef Backpack::const_iterator BackpackIter;
+
+    Backpack backpack;
+
+    backpack.push_back(Object(Weapon()));
+    backpack.push_back(Object(Armor()));
+    backpack.push_back(Object(Potion()));
+    backpack.push_back(Object(Scroll()));
+    backpack.push_back(Object(FireScroll()));
+
+    std::cout << "Items I can attack with:" << std::endl;
+    for (BackpackIter item = backpack.begin(); item != backpack.end(); ++item)
+        if (item->has_attack_concept())
+            std::cout << "name" << std::endl;
+}
+
+#endif

Callback_32/Callback_32/Callback_32.vcxproj

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+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
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+      <Platform>x64</Platform>
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+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>16.0</VCProjectVersion>
+    <Keyword>Win32Proj</Keyword>
+    <ProjectGuid>{4586963b-6ef0-4c0e-ab30-daca2feed8ed}</ProjectGuid>
+    <RootNamespace>Callback32</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
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+    <CharacterSet>Unicode</CharacterSet>
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+    <ConfigurationType>Application</ConfigurationType>
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+    <WholeProgramOptimization>true</WholeProgramOptimization>
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+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
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+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
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+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClCompile Include="Callback_32.cpp" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>

Callback_32/Callback_32/Callback_32.vcxproj.filters

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Quelldateien">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Headerdateien">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd</Extensions>
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+    <Filter Include="Ressourcendateien">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
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+  <ItemGroup>
+    <ClCompile Include="Callback_32.cpp">
+      <Filter>Quelldateien</Filter>
+    </ClCompile>
+  </ItemGroup>
+</Project>

Callback_32/Callback_32/Callback_32.vcxproj.user

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup />
+</Project>

Callback_32/Callback_32/x64/Debug/Callback_32.exe.recipe

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project>
+  <ProjectOutputs>
+    <ProjectOutput>
+      <FullPath>C:\Users\wruser\source\repos\Callback_32\x64\Debug\Callback_32.exe</FullPath>
+    </ProjectOutput>
+  </ProjectOutputs>
+  <ContentFiles />
+  <SatelliteDlls />
+  <NonRecipeFileRefs />
+</Project>

Callback_32/Callback_32/x64/Debug/Callback_32.log

@@ -0,0 +1,77 @@
+  Callback_32.cpp
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(52): error C2259: "Object::ObjectModel<Weapon>": Abstrakte Klasse kann nicht erstellt werden.
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(53): message : Siehe Deklaration von "Object::ObjectModel<Weapon>"
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(52): message : aufgrund folgender Member:
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(52): message : "bool Object::ObjectConcept::has_attack_concept(void) const": ist abstrakt
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(38): message : Siehe Deklaration von "Object::ObjectConcept::has_attack_concept"
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(52): message : "std::string Object::ObjectConcept::name(void) const": ist abstrakt
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(39): message : Siehe Deklaration von "Object::ObjectConcept::name"
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(70): message : Siehe Verweis auf die gerade kompilierte Instanziierung "Object::Object<Weapon>(const T &)" der Funktions-Vorlage.
+          with
+          [
+              T=Weapon
+          ]
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(53,34): error C2259: "Object::ObjectModel<Weapon>": Abstrakte Klasse kann nicht erstellt werden.
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(53): message : Siehe Deklaration von "Object::ObjectModel<Weapon>"
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(53,34): message : aufgrund folgender Member:
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(53,34): message : "bool Object::ObjectConcept::has_attack_concept(void) const": ist abstrakt
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(38): message : Siehe Deklaration von "Object::ObjectConcept::has_attack_concept"
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(53,34): message : "std::string Object::ObjectConcept::name(void) const": ist abstrakt
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(39): message : Siehe Deklaration von "Object::ObjectConcept::name"
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(52): error C2259: "Object::ObjectModel<Armor>": Abstrakte Klasse kann nicht erstellt werden.
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(53): message : Siehe Deklaration von "Object::ObjectModel<Armor>"
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(52): message : aufgrund folgender Member:
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(52): message : "bool Object::ObjectConcept::has_attack_concept(void) const": ist abstrakt
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(38): message : Siehe Deklaration von "Object::ObjectConcept::has_attack_concept"
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(52): message : "std::string Object::ObjectConcept::name(void) const": ist abstrakt
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(39): message : Siehe Deklaration von "Object::ObjectConcept::name"
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(71): message : Siehe Verweis auf die gerade kompilierte Instanziierung "Object::Object<Armor>(const T &)" der Funktions-Vorlage.
+          with
+          [
+              T=Armor
+          ]
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(53,34): error C2259: "Object::ObjectModel<Armor>": Abstrakte Klasse kann nicht erstellt werden.
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(53): message : Siehe Deklaration von "Object::ObjectModel<Armor>"
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(53,34): message : aufgrund folgender Member:
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(53,34): message : "bool Object::ObjectConcept::has_attack_concept(void) const": ist abstrakt
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(38): message : Siehe Deklaration von "Object::ObjectConcept::has_attack_concept"
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(53,34): message : "std::string Object::ObjectConcept::name(void) const": ist abstrakt
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(39): message : Siehe Deklaration von "Object::ObjectConcept::name"
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(52): error C2259: "Object::ObjectModel<Potion>": Abstrakte Klasse kann nicht erstellt werden.
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(53): message : Siehe Deklaration von "Object::ObjectModel<Potion>"
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(52): message : aufgrund folgender Member:
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(52): message : "bool Object::ObjectConcept::has_attack_concept(void) const": ist abstrakt
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(38): message : Siehe Deklaration von "Object::ObjectConcept::has_attack_concept"
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(52): message : "std::string Object::ObjectConcept::name(void) const": ist abstrakt
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(39): message : Siehe Deklaration von "Object::ObjectConcept::name"
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(72): message : Siehe Verweis auf die gerade kompilierte Instanziierung "Object::Object<Potion>(const T &)" der Funktions-Vorlage.
+          with
+          [
+              T=Potion
+          ]
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(53,34): error C2259: "Object::ObjectModel<Potion>": Abstrakte Klasse kann nicht erstellt werden.
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(53): message : Siehe Deklaration von "Object::ObjectModel<Potion>"
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(53,34): message : aufgrund folgender Member:
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(53,34): message : "bool Object::ObjectConcept::has_attack_concept(void) const": ist abstrakt
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(38): message : Siehe Deklaration von "Object::ObjectConcept::has_attack_concept"
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(53,34): message : "std::string Object::ObjectConcept::name(void) const": ist abstrakt
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(39): message : Siehe Deklaration von "Object::ObjectConcept::name"
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(52): error C2259: "Object::ObjectModel<Scroll>": Abstrakte Klasse kann nicht erstellt werden.
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(53): message : Siehe Deklaration von "Object::ObjectModel<Scroll>"
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(52): message : aufgrund folgender Member:
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(52): message : "bool Object::ObjectConcept::has_attack_concept(void) const": ist abstrakt
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(38): message : Siehe Deklaration von "Object::ObjectConcept::has_attack_concept"
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(52): message : "std::string Object::ObjectConcept::name(void) const": ist abstrakt
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(39): message : Siehe Deklaration von "Object::ObjectConcept::name"
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(73): message : Siehe Verweis auf die gerade kompilierte Instanziierung "Object::Object<Scroll>(const T &)" der Funktions-Vorlage.
+          with
+          [
+              T=Scroll
+          ]
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(53,34): error C2259: "Object::ObjectModel<Scroll>": Abstrakte Klasse kann nicht erstellt werden.
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(53): message : Siehe Deklaration von "Object::ObjectModel<Scroll>"
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(53,34): message : aufgrund folgender Member:
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(53,34): message : "bool Object::ObjectConcept::has_attack_concept(void) const": ist abstrakt
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(38): message : Siehe Deklaration von "Object::ObjectConcept::has_attack_concept"
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(53,34): message : "std::string Object::ObjectConcept::name(void) const": ist abstrakt
+C:\Users\wruser\source\repos\Callback_32\Callback_32\Callback_32.cpp(39): message : Siehe Deklaration von "Object::ObjectConcept::name"

Callback_32/Callback_32/x64/Debug/Callback_32.tlog/CL.command.1.tlog

@@ -0,0 +1 @@
+��

Callback_32/Callback_32/x64/Debug/Callback_32.tlog/Callback_32.lastbuildstate

@@ -0,0 +1,2 @@
+PlatformToolSet=v143:VCToolArchitecture=Native64Bit:VCToolsVersion=14.32.31326:TargetPlatformVersion=10.0.19041.0:
+Debug|x64|C:\Users\wruser\source\repos\Callback_32\|