Anonyme Typen, Personalverwaltung

OOP2023/02 OpUeberladenBrueche/Program.cs

@@ -36,10 +36,10 @@ namespace _02_OpUeberladenBrueche
         public static bool operator !=(Bruch b1, Bruch b2)
             => !(b1 == b2);
 
-        public static implicit operator Bruch(int k) => new Bruch(k);
+        public static implicit operator Bruch(int k) => new Bruch(k); // 2 -> 2/1
             // Konvertierung int --> Bruch
-        public static explicit operator int(Bruch b) => b.z/b.n;
-        public static implicit operator Bruch(string s)
+        public static explicit operator int(Bruch b) => b.z/b.n;  // z.B. 2/3 --> 0
+        public static implicit operator Bruch(string s)           // z.B. "1/3" -> 1/3
         {
             string[] d = s.Split('/');
             int z = Convert.ToInt32(d[0]);
@@ -72,7 +72,7 @@ namespace _02_OpUeberladenBrueche
             Console.WriteLine(Bruch.Mult3(b1,b2));
             // b1*b2 --> Bruch.ToString() --> Ausgabe
 
-            int d = (int) (3.14 + 3);
+            int d = (int) 3.14;
 
             g(2, 3.14);
             g(2,  3);          // Implizite Konvertierung 3 --> 3.0

OOP2023/22 Informationsverteiler/Program.cs

@@ -37,6 +37,7 @@ namespace _22_Informationsverteiler
             mb.callback += p1.MyPrint;
             mb.callback += p2.MyPrint;
 
+            // mb.callback("Hallo");  -- ist nicht erlaubt. Nur Methoden in der Klasse MessageBox dürfen callback aufrufen
             mb.Send("Hallo");
             Console.WriteLine("------------------");
 

OOP2023/24 DelegateVerkettung/24 DelegateVerkettung.csproj

+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <RootNamespace>_24_DelegateVerkettung</RootNamespace>
+  </PropertyGroup>
+
+</Project>

OOP2023/24 DelegateVerkettung/Program.cs

+using System;
+
+namespace _24_DelegateVerkettung
+{
+    public delegate double MyFunction(double x);
+    class MyClass
+    {
+        public static double MalEins(double x) { Console.WriteLine($"MalEins({x}): "); return x * 1; }
+        public static double MalZwei(double x) { Console.WriteLine($"MalZwei({x}): "); return x * 2; }
+        public static double MalDrei(double x) { Console.WriteLine($"MalDrei({x}): "); return x * 3; }
+    }
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            MyClass m = new MyClass();
+            MyFunction f = new MyFunction(MyClass.MalEins);
+            f += MyClass.MalZwei;
+            f += MyClass.MalDrei;
+            Console.WriteLine(f(3));
+        }
+    }
+}

OOP2023/24 DelegateVerkettung/bin/Debug/netcoreapp3.1/24 DelegateVerkettung.deps.json

+{
+  "runtimeTarget": {
+    "name": ".NETCoreApp,Version=v3.1",
+    "signature": ""
+  },
+  "compilationOptions": {},
+  "targets": {
+    ".NETCoreApp,Version=v3.1": {
+      "24 DelegateVerkettung/1.0.0": {
+        "runtime": {
+          "24 DelegateVerkettung.dll": {}
+        }
+      }
+    }
+  },
+  "libraries": {
+    "24 DelegateVerkettung/1.0.0": {
+      "type": "project",
+      "serviceable": false,
+      "sha512": ""
+    }
+  }
+}
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OOP2023/24 DelegateVerkettung/bin/Debug/netcoreapp3.1/24 DelegateVerkettung.runtimeconfig.dev.json

+{
+  "runtimeOptions": {
+    "additionalProbingPaths": [
+      "C:\\Users\\wienkop\\.dotnet\\store\\|arch|\\|tfm|",
+      "C:\\Users\\wienkop\\.nuget\\packages"
+    ]
+  }
+}
\ No newline at end of file

OOP2023/24 DelegateVerkettung/bin/Debug/netcoreapp3.1/24 DelegateVerkettung.runtimeconfig.json

+{
+  "runtimeOptions": {
+    "tfm": "netcoreapp3.1",
+    "framework": {
+      "name": "Microsoft.NETCore.App",
+      "version": "3.1.0"
+    }
+  }
+}
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OOP2023/24 DelegateVerkettung/obj/24 DelegateVerkettung.csproj.nuget.dgspec.json

+{
+  "format": 1,
+  "restore": {
+    "C:\\Users\\wienkop\\source\\repos\\oop-ss2023-wienkop\\OOP2023\\24 DelegateVerkettung\\24 DelegateVerkettung.csproj": {}
+  },
+  "projects": {
+    "C:\\Users\\wienkop\\source\\repos\\oop-ss2023-wienkop\\OOP2023\\24 DelegateVerkettung\\24 DelegateVerkettung.csproj": {
+      "version": "1.0.0",
+      "restore": {
+        "projectUniqueName": "C:\\Users\\wienkop\\source\\repos\\oop-ss2023-wienkop\\OOP2023\\24 DelegateVerkettung\\24 DelegateVerkettung.csproj",
+        "projectName": "24 DelegateVerkettung",
+        "projectPath": "C:\\Users\\wienkop\\source\\repos\\oop-ss2023-wienkop\\OOP2023\\24 DelegateVerkettung\\24 DelegateVerkettung.csproj",
+        "packagesPath": "C:\\Users\\wienkop\\.nuget\\packages\\",
+        "outputPath": "C:\\Users\\wienkop\\source\\repos\\oop-ss2023-wienkop\\OOP2023\\24 DelegateVerkettung\\obj\\",
+        "projectStyle": "PackageReference",
+        "configFilePaths": [
+          "C:\\Users\\wienkop\\AppData\\Roaming\\NuGet\\NuGet.Config",
+          "C:\\Program Files (x86)\\NuGet\\Config\\Microsoft.VisualStudio.Offline.config"
+        ],
+        "originalTargetFrameworks": [
+          "netcoreapp3.1"
+        ],
+        "sources": {
+          "C:\\Program Files (x86)\\Microsoft SDKs\\NuGetPackages\\": {},
+          "https://api.nuget.org/v3/index.json": {}
+        },
+        "frameworks": {
+          "netcoreapp3.1": {
+            "targetAlias": "netcoreapp3.1",
+            "projectReferences": {}
+          }
+        },
+        "warningProperties": {
+          "warnAsError": [
+            "NU1605"
+          ]
+        }
+      },
+      "frameworks": {
+        "netcoreapp3.1": {
+          "targetAlias": "netcoreapp3.1",
+          "imports": [
+            "net461",
+            "net462",
+            "net47",
+            "net471",
+            "net472",
+            "net48"
+          ],
+          "assetTargetFallback": true,
+          "warn": true,
+          "frameworkReferences": {
+            "Microsoft.NETCore.App": {
+              "privateAssets": "all"
+            }
+          },
+          "runtimeIdentifierGraphPath": "C:\\Program Files\\dotnet\\sdk\\5.0.416\\RuntimeIdentifierGraph.json"
+        }
+      }
+    }
+  }
+}
\ No newline at end of file