IsExternalInit 1.0.0

.NET 5.0 .NET Standard 1.0 .NET Framework 2.0
There is a newer version of this package available.
See the version list below for details.
Install-Package IsExternalInit -Version 1.0.0
dotnet add package IsExternalInit --version 1.0.0
<PackageReference Include="IsExternalInit" Version="1.0.0">
  <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add IsExternalInit --version 1.0.0
The NuGet Team does not provide support for this client. Please contact its maintainers for support.
#r "nuget: IsExternalInit, 1.0.0"
#r directive can be used in F# Interactive, C# scripting and .NET Interactive. Copy this into the interactive tool or source code of the script to reference the package.
// Install IsExternalInit as a Cake Addin
#addin nuget:?package=IsExternalInit&version=1.0.0

// Install IsExternalInit as a Cake Tool
#tool nuget:?package=IsExternalInit&version=1.0.0
The NuGet Team does not provide support for this client. Please contact its maintainers for support.

A source code only package which allows you to use C# 9's init and record features in older target frameworks like .NET Standard 2.0 or the "old" .NET Framework by providing a polyfill for the IsExternalInit class.

This package does not contain any compiled binaries, but instead adds the IsExternalInit class as C# source code to your project. Because this code is compiled together with the rest of your code, the built binaries will not have a dependency on this package, meaning that you can perfectly use it for both libraries and applications.

The C# code is only included if you are targeting a framework version which does not support the IsExternalInit class. For example, if you create a library which multi-targets .NET Standard 2.0 and .NET 5.0, the IsExternalInit class is not provided in the .NET 5.0 compilation, because .NET 5.0 already provides support for the class by default.

Please see for additional information on how to use this package.

Product Versions
.NET net5.0 net5.0-windows net6.0 net6.0-android net6.0-ios net6.0-maccatalyst net6.0-macos net6.0-tvos net6.0-windows
.NET Core netcoreapp1.0 netcoreapp1.1 netcoreapp2.0 netcoreapp2.1 netcoreapp2.2 netcoreapp3.0 netcoreapp3.1
.NET Standard netstandard1.0 netstandard1.1 netstandard1.2 netstandard1.3 netstandard1.4 netstandard1.5 netstandard1.6 netstandard2.0 netstandard2.1
.NET Framework net20 net35 net40 net403 net45 net451 net452 net46 net461 net462 net463 net47 net471 net472 net48
MonoAndroid monoandroid
MonoMac monomac
MonoTouch monotouch
Tizen tizen30 tizen40 tizen60
Universal Windows Platform uap uap10.0
Windows Phone wp8 wp81 wpa81
Windows Store netcore netcore45 netcore451
Xamarin.iOS xamarinios
Xamarin.Mac xamarinmac
Xamarin.TVOS xamarintvos
Xamarin.WatchOS xamarinwatchos
Compatible target framework(s)
Additional computed target framework(s)
Learn more about Target Frameworks and .NET Standard.

This package has no dependencies.

NuGet packages (6)

Showing the top 5 NuGet packages that depend on IsExternalInit:

Package Downloads

A collection of .NET libraries to help compiler development.


Contains shared code fot BUTR projects.


Kull.Data Class Library


The .NET runtime for Bebop, a schema-based binary serialization format.


GitHub Actions adapter for Microsoft.TestPlatform

GitHub repositories (21)

Showing the top 5 popular GitHub repositories that depend on IsExternalInit:

Repository Stars
Simple REST and HTTP API Client for .NET
The Reactive Extensions for .NET
A .NET library that makes it easier to create beautiful console applications.
Extremely Fast MessagePack Serializer for C#(.NET, .NET Core, Unity, Xamarin). /[C#]
Extensions to LINQ to Objects
Version Downloads Last updated
1.0.3 10,735 7/9/2022
1.0.2 120,014 11/23/2021
1.0.1 214,292 6/15/2021
1.0.0 155,533 11/21/2020