AInq.Optional 4.2.0

.NET 8.0 This package targets .NET 8.0. The package is compatible with this framework or higher. .NET Standard 2.0 This package targets .NET Standard 2.0. The package is compatible with this framework or higher.
There is a newer version of this package available.
See the version list below for details. 
dotnet add package AInq.Optional --version 4.2.0
                    


                    

                
NuGet\Install-Package AInq.Optional -Version 4.2.0
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package. 
<PackageReference Include="AInq.Optional" Version="4.2.0" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
<PackageVersion Include="AInq.Optional" Version="4.2.0" />
                    


                            Directory.Packages.props
                        

                    

                
<PackageReference Include="AInq.Optional" />
                    


                            Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package. 
paket add AInq.Optional --version 4.2.0
                    


                    

                
#r "nuget: AInq.Optional, 4.2.0"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package. 
#:package AInq.Optional@4.2.0
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package. 
#addin nuget:?package=AInq.Optional&version=4.2.0
                    


                            Install as a Cake Addin
                        

                    

                
#tool nuget:?package=AInq.Optional&version=4.2.0
                    


                            Install as a Cake Tool

AInq.Optional GitHub release (latest by date) GitHub

AInq

What is it?

Simple optional types with basic helpers and converters

  • Maybe<T> value or nothing
  • Try<T> value or error
  • Either<TLeft, TRight> value either value

Nuget AInq.Optional - Types and basic helpers

Nuget AInq.Optional.Async - Async helpers and extensions

New in 4.1

Large refactoring and internal optimization with some breaking changes

  • Remove build targets for STS .Net versions
  • System.Linq is used for collection extensions, which may cause minor behavior changes
  • System.Linq.AsyncEnumerable is used in .net10 with minor API changes
  • Change some methods to remove ambiguity
    • Rename Maybe.AsTry to Maybe.TryValue
    • Rename Try.AsMaybe to Try.MaybeValue
    • Rename converter Maybe.Or to Maybe.EitherValue
    • Make bool cast operators explicit
  • Remove all Try<T> extensions, which can implicitly hide exceptions
  • Try.MaybeValue now throw exception if source is not success, introduced flag to suppress this
  • Save exception stacktrace in Try<T>
  • New APIs
    • | (or) operator for Maybe<T>
    • ! (not) operator for Maybe<T> and Try<T>
    • ! (invert) operator for Either<TLeft, TRight>
    • Maybe.Values collection extension with filtering
    • Try.Result with additional generator parameter

New in 3.0

For version 3.0 this lib was completely rewritten with some breaking changes

  • All types are now class instead of struct
  • Remove some logically obscure methods
    • IComparable implementation (problems with comparing null and empty item)
    • Type cast operators (unused)
    • Try.SelectOrDefault and Try.ValueOrDefault (implicitly hides error, can be replaced with Try.AsMaybe)
  • Async extensions completely rewritten using ValueTask and moved to separate package

Contribution

If you find a bug, have a question or something else - you are friendly welcome to open an issue.

License

Copyright © 2021 Anton Andryushchenko. AInq.Optional is licensed under Apache License 2.0

Product Compatible and additional computed target framework versions.
.NET net5.0 was computed.  net5.0-windows was computed.  net6.0 was computed.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 is compatible.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed.  net9.0 was computed.  net9.0-android was computed.  net9.0-browser was computed.  net9.0-ios was computed.  net9.0-maccatalyst was computed.  net9.0-macos was computed.  net9.0-tvos was computed.  net9.0-windows was computed.  net10.0 is compatible.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
.NET Core netcoreapp2.0 was computed.  netcoreapp2.1 was computed.  netcoreapp2.2 was computed.  netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard2.0 is compatible.  netstandard2.1 was computed. 
.NET Framework net461 was computed.  net462 was computed.  net463 was computed.  net47 was computed.  net471 was computed.  net472 was computed.  net48 was computed.  net481 was computed. 
MonoAndroid monoandroid was computed. 
MonoMac monomac was computed. 
MonoTouch monotouch was computed. 
Tizen tizen40 was computed.  tizen60 was computed. 
Xamarin.iOS xamarinios was computed. 
Xamarin.Mac xamarinmac was computed. 
Xamarin.TVOS xamarintvos was computed. 
Xamarin.WatchOS xamarinwatchos was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

  • .NETStandard 2.0

    • No dependencies.

  • net10.0

    • No dependencies.

  • net8.0

    • No dependencies.

NuGet packages (4)

Showing the top 4 NuGet packages that depend on AInq.Optional:

Package Downloads
AInq.Background.Scheduler

Background work utilities for .NET Core apps based on Hosted services. Background work scheduler with cron.
AInq.Background.Scheduler.Abstraction

Background work utilities for .NET Core apps based on Hosted services. Work scheduler interfaces and helpers.
AInq.Bitrix24.Api

Bitrix24 Rest API implementation
AInq.Optional.Async

Async extensions for optional types

GitHub repositories

This package is not used by any popular GitHub repositories.

Version Downloads Last Updated
4.3.0 265 2/10/2026
4.3.0-rc.1 52 2/8/2026
4.2.0 409 2/6/2026
4.1.0 808 12/18/2025
4.0.1 416 12/5/2025
4.0.0-preview.3 204 11/14/2025
4.0.0-preview.2 223 11/14/2025
4.0.0-preview.1 224 11/14/2025
3.9.1 395 11/12/2025
3.9.0 493 11/11/2025
3.9.0-rc.3 201 11/6/2025
3.9.0-rc.2 198 10/22/2025
3.9.0-rc 314 10/15/2025
3.8.9 359 10/15/2025
3.8.8 501 9/10/2025
3.8.7 537 8/11/2025
3.8.6 409 7/9/2025
3.8.5 585 6/11/2025
3.8.4 401 6/2/2025
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[ADD] Enumerable.LastOrNone