Shouldly.LanguageExt 0.1.0

.NET 10.0 This package targets .NET 10.0. The package is compatible with this framework or higher. 
dotnet add package Shouldly.LanguageExt --version 0.1.0
                    


                    

                
NuGet\Install-Package Shouldly.LanguageExt -Version 0.1.0
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="Shouldly.LanguageExt" Version="0.1.0" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
<PackageVersion Include="Shouldly.LanguageExt" Version="0.1.0" />
                    


                            Directory.Packages.props
                        

                    

                
<PackageReference Include="Shouldly.LanguageExt" />
                    


                            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 Shouldly.LanguageExt --version 0.1.0
                    


                    

                
#r "nuget: Shouldly.LanguageExt, 0.1.0"
#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 Shouldly.LanguageExt@0.1.0
#: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=Shouldly.LanguageExt&version=0.1.0
                    


                            Install as a Cake Addin
                        

                    

                
#tool nuget:?package=Shouldly.LanguageExt&version=0.1.0
                    


                            Install as a Cake Tool

Shouldly.LanguageExt

Shouldly assertion extensions for LanguageExt 5 (beta).

  • See LanguageExt C# Functional Programming Language Extensions for more information about the functional programming base library.
  • See Shouldly for more information about the extensive set of extension methods for unit tests.

NuGet

Install-Package Shouldly.LanguageExt

Package link: Shouldly.LanguageExt on NuGet

Option

Methods
  • ShouldBeSome()
  • ShouldBeSome(expected)
  • ShouldBeSome(action)
  • ShouldBeNone()
Example Usage
using Shouldly.LanguageExt;
using LanguageExt;

var option = Prelude.Some(8);
var optionNone = Option<int>.None;

option.ShouldBeSome();
option.ShouldBeSome(8);
option.ShouldBeSome(s => s.ShouldBe(8));

optionNone.ShouldBeNone();

Either

Methods
  • ShouldBeLeft()
  • ShouldBeLeft(expected)
  • ShouldBeLeft(action)
  • ShouldBeRight()
  • ShouldBeRight(expected)
  • ShouldBeRight(action)
Example Usage
using Shouldly.LanguageExt;
using LanguageExt;

Either<int, string> left = Prelude.Left(8);
Either<int, string> right = Prelude.Right("a");

left.ShouldBeLeft();
left.ShouldBeLeft(8);
left.ShouldBeLeft(l => l.ShouldBe(8));

right.ShouldBeRight();
right.ShouldBeRight("a");
right.ShouldBeRight(r => r.ShouldBe("a"));

Validation

Methods
  • ShouldBeSuccess()
  • ShouldBeSuccess(expected)
  • ShouldBeSuccess(action)
  • ShouldBeFail()
  • ShouldBeFail(expected)
  • ShouldBeFail(action)
Example Usage
using Shouldly.LanguageExt;
using LanguageExt;

Validation<int, string> success = "abc";
Validation<int, string> fail = 123;

success.ShouldBeSuccess();
success.ShouldBeSuccess("abc");
success.ShouldBeSuccess(v => v.ShouldBe("abc"));

fail.ShouldBeFail();
fail.ShouldBeFail(123);
fail.ShouldBeFail(err => err.ShouldBe(123));

Fin

Methods
  • ShouldBeSucc()
  • ShouldBeSucc(expected)
  • ShouldBeSucc(action)
  • ShouldBeFail()
  • ShouldBeFail(error)
  • ShouldBeFail(errorMessage)
  • ShouldBeFail(action)
Example Usage
using Shouldly.LanguageExt;
using LanguageExt;
using LanguageExt.Common;

Fin<int> successFin = Fin.Succ(8);
Fin<int> failedFin = Fin.Fail<int>("Error message");

successFin.ShouldBeSucc();
successFin.ShouldBeSucc(8);
successFin.ShouldBeSucc(v => v.ShouldBe(8));

failedFin.ShouldBeFail();
failedFin.ShouldBeFail("Error message");
failedFin.ShouldBeFail(Error.New("Error message"));
failedFin.ShouldBeFail(err => err.Message.ShouldBe("Error message"));

Try

Methods
  • ShouldBeSucc()
  • ShouldBeSucc(expected)
  • ShouldBeSucc(action)
  • ShouldBeFail()
  • ShouldBeFail(error)
  • ShouldBeFail(errorMessage)
  • ShouldBeFail(action)
Example Usage
using Shouldly.LanguageExt;
using LanguageExt;
using LanguageExt.Common;

Try<int> successTry = Try.Succ(42);
Try<int> failedTry = Try.Fail<int>(Error.New("Failed computation"));

successTry.ShouldBeSucc();
successTry.ShouldBeSucc(42);
successTry.ShouldBeSucc(v => v.ShouldBe(42));

failedTry.ShouldBeFail();
failedTry.ShouldBeFail("Failed computation");
failedTry.ShouldBeFail(Error.New("Failed computation"));
failedTry.ShouldBeFail(err => err.Message.ShouldBe("Failed computation"));
Product Compatible and additional computed target framework versions.
.NET 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. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages

This package is not used by any NuGet packages.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version Downloads Last Updated
0.1.0 99 8/4/2026

Initial release supporting LanguageExt v5 core monads (Option, Either, Validation, Try, and Fin).