FsToolkit.ErrorHandling

v5.2.0

FsToolkit.ErrorHandling is an extensive utility library based around the F# Result type, enabling consistent and powerful error handling.

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f# fsharp railway oriented programming ROP result type error handling fable-library fable-dotnet fable-javascript fable-python

NuGet Stats Changelog

Total Downloads

9.6M

9,579,451

Published

Feb 27, 2026

Latest stable version

Install

.NET CLI

dotnet add package FsToolkit.ErrorHandling --version 5.2.0

Package Manager Console

Install-Package FsToolkit.ErrorHandling -Version 5.2.0

PackageReference

<PackageReference Include="FsToolkit.ErrorHandling" Version="5.2.0" />

Frameworks

net9.0 .NETStandard2.0 .NETStandard2.1

Dependencies

FSharp.Core

net9.0

[9.0.300, )

FSharp.Core

.NETStandard2.0

[6.0.4, )

Microsoft.Bcl.AsyncInterfaces

.NETStandard2.0

[6.0.0, )

FSharp.Core

.NETStandard2.1

[6.0.4, )

Adoption guide

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Compatibility metadata lists 3 target frameworks; confirm the exact target used by your application.

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