Optional 5.0.0-alpha

This is a prerelease version of Optional.
Install-Package Optional -Version 5.0.0-alpha
dotnet add package Optional --version 5.0.0-alpha
<PackageReference Include="Optional" Version="5.0.0-alpha" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add Optional --version 5.0.0-alpha
The NuGet Team does not provide support for this client. Please contact its maintainers for support.
#r "nuget: Optional, 5.0.0-alpha"
#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 Optional as a Cake Addin
#addin nuget:?package=Optional&version=5.0.0-alpha&prerelease

// Install Optional as a Cake Tool
#tool nuget:?package=Optional&version=5.0.0-alpha&prerelease
The NuGet Team does not provide support for this client. Please contact its maintainers for support.

Optional is a robust option/maybe type for C#.

This package has no dependencies.

NuGet packages (80)

Showing the top 5 NuGet packages that depend on Optional:

Package Downloads

DEPRECATED: Optional.Extensions has been replaced by more specific packages. Check out Optional.Collections, Optional.Utilities etc. Extended functionality for Optional.


Async extensions for Nils Lück's Optional library.


Various useful functionality for Optional.


Useful Optional extensions for working with collections.


The Cross-platform Crema for .NET Devs

GitHub repositories (3)

Showing the top 3 popular GitHub repositories that depend on Optional:

Repository Stars
An open source, git-ops, zero-trust secret encryption and decryption solution for Kubernetes applications
Grace is a feature rich dependency injection container library
A RealWorld application implemented using the Dev Adventures .NET Core template and functional programming.
Version Downloads Last updated
5.0.0-alpha 102,848 2/5/2019
4.0.0 2,456,766 2/1/2018
4.0.0-rc 5,097 10/15/2017
3.2.0 227,910 10/1/2016
3.1.0 4,844 4/17/2016
3.0.0 2,506 12/13/2015
2.2.0 14,091 4/26/2015
2.1.0 2,926 2/12/2015
0.2.0 1,091 2/3/2015
0.1.7 172,534 1/9/2015
0.1.6 1,068 12/29/2014
0.1.5 1,214 12/9/2014
0.1.0 1,426 12/8/2014