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ibrahimatayibrahimatay
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Extension declaration
1 parent 828db9e commit 3a9b168

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Lines changed: 65 additions & 10 deletions

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‎CsharpLangExamples.sln‎

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@@ -61,8 +61,6 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ParamsCollections", "Params
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "NewEscapeSequence", "NewEscapeSequence\NewEscapeSequence.csproj", "{0138AED7-CAB5-4DBB-AEDF-9D933041FA14}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ExtensionTypesCsharp13", "ExtensionTypesCsharp13\ExtensionTypesCsharp13.csproj", "{0602BF99-2E7F-443B-BB8B-DBB869450FF9}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TheLockStatement", "TheLockStatement\TheLockStatement.csproj", "{739A4E7D-E8B8-4B4A-A199-5C839C6D312C}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "UserDefinedConversionOperators", "UserDefinedConversionOperators\UserDefinedConversionOperators.csproj", "{CCD3ED3C-6C34-4F9E-A422-79479625FC75}"
@@ -101,6 +99,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "KeyedServices", "KeyedServi
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ConcurrentCollections", "ConcurrentCollections\ConcurrentCollections.csproj", "{E40B458B-5337-47D9-8FC1-2C5167485271}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ExtensionTypesCsharp14", "ExtensionTypesCsharp14\ExtensionTypesCsharp14.csproj", "{0BDCEFD3-F484-4718-9E50-005842BB16F3}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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{0138AED7-CAB5-4DBB-AEDF-9D933041FA14}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{0138AED7-CAB5-4DBB-AEDF-9D933041FA14}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{0138AED7-CAB5-4DBB-AEDF-9D933041FA14}.Release|Any CPU.Build.0 = Release|Any CPU
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{0602BF99-2E7F-443B-BB8B-DBB869450FF9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{0602BF99-2E7F-443B-BB8B-DBB869450FF9}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{0602BF99-2E7F-443B-BB8B-DBB869450FF9}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{0602BF99-2E7F-443B-BB8B-DBB869450FF9}.Release|Any CPU.Build.0 = Release|Any CPU
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{739A4E7D-E8B8-4B4A-A199-5C839C6D312C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{739A4E7D-E8B8-4B4A-A199-5C839C6D312C}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{739A4E7D-E8B8-4B4A-A199-5C839C6D312C}.Release|Any CPU.ActiveCfg = Release|Any CPU
@@ -295,6 +291,10 @@ Global
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{E40B458B-5337-47D9-8FC1-2C5167485271}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{E40B458B-5337-47D9-8FC1-2C5167485271}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{E40B458B-5337-47D9-8FC1-2C5167485271}.Release|Any CPU.Build.0 = Release|Any CPU
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{0BDCEFD3-F484-4718-9E50-005842BB16F3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{0BDCEFD3-F484-4718-9E50-005842BB16F3}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{0BDCEFD3-F484-4718-9E50-005842BB16F3}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{0BDCEFD3-F484-4718-9E50-005842BB16F3}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE

‎ExtensionTypesCsharp14/ExtensionTypesCsharp14.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net10.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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</Project>

‎ExtensionTypesCsharp14/Program.cs‎

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// C# 14 – Exploring extension members
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// https://devblogs.microsoft.com/dotnet/csharp-exploring-extension-members/
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// Extension members
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// https://learn.microsoft.com/en-gb/dotnet/csharp/whats-new/csharp-14#extension-members
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// Extension members (C# Programming Guide)
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// https://learn.microsoft.com/en-gb/dotnet/csharp/programming-guide/classes-and-structs/extension-methods
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// Extension declaration (C# Reference)
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// https://learn.microsoft.com/en-gb/dotnet/csharp/language-reference/keywords/extension
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var list = new List<int>() { 1, 2, 3 };
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if (list.IsEmpty)
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{
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Console.WriteLine("list is empty");
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return;
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}
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var empty = IEnumerable<int>.EmptySet;
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public static class ListExtensions
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{
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// Block that adds new capabilities to the IEnumerable<T> type
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extension<T>(IEnumerable<T> source)
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{
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// Extension Property
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public bool IsEmpty => !source.Any();
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// Extension Method
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public void PrintAll()
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{
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foreach (var item in source)
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{
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Console.WriteLine(item);
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}
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}
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}
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// Static Extension (Called directly via type)
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extension<T>(IEnumerable<T>)
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{
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public static IEnumerable<T> EmptySet => Enumerable.Empty<T>();
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}
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}

‎README.md‎

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@@ -12,9 +12,9 @@ Here are examples of C# programming to help you stay up-to-date with the latest
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### C# 14 is supported on .NET 10 (November 2025)
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| Feature | Description |
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|---------|-------------|
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| | |
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| Feature | Description |
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|--------------------------------------------------------|-------------|
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| [Extension members](ExtensionTypesCsharp14/Program.cs) | |
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### C# 13 is supported on .NET 9 (September 2024)
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‎global.json‎

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{
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"sdk": {
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"version": "8.0.0",
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"version": "10.0.0",
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"rollForward": "latestMajor",
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"allowPrerelease": true
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}

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