Fantomas.Core
8.0.0-alpha-019
See the version list below for details.
dotnet add package Fantomas.Core --version 8.0.0-alpha-019
NuGet\Install-Package Fantomas.Core -Version 8.0.0-alpha-019
<PackageReference Include="Fantomas.Core" Version="8.0.0-alpha-019" />
<PackageVersion Include="Fantomas.Core" Version="8.0.0-alpha-019" />
<PackageReference Include="Fantomas.Core" />
paket add Fantomas.Core --version 8.0.0-alpha-019
#r "nuget: Fantomas.Core, 8.0.0-alpha-019"
#:package Fantomas.Core@8.0.0-alpha-019
#addin nuget:?package=Fantomas.Core&version=8.0.0-alpha-019&prerelease
#tool nuget:?package=Fantomas.Core&version=8.0.0-alpha-019&prerelease
Fantomas

An opinionated F# source code formatter.
dotnet tool install fantomas
Documentation is available at https://fsprojects.github.io/fantomas/docs/index.html
If you point a coding agent at Fantomas, give it llms.txt for an index of the documentation, or llms-full.txt for all of it in one file.
Contributing Guidelines
See the Contribution Guidelines and our contributors documentation
| Product | Versions 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 was computed. 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 was computed. 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. |
-
.NETStandard 2.0
- Fantomas.FCS (>= 8.0.0-alpha-019)
- FSharp.Core (>= 10.0.100)
- System.Collections.Immutable (>= 10.0.6)
- System.Diagnostics.DiagnosticSource (>= 10.0.6)
- System.Memory (>= 4.6.3)
- System.Runtime (>= 4.3.1)
NuGet packages (6)
Showing the top 5 NuGet packages that depend on Fantomas.Core:
| Package | Downloads |
|---|---|
|
Myriad.Core
Core Myriad library used for developing plugins |
|
|
Fantomas.Extras
Utility package for Fantomas |
|
|
WoofWare.Whippet.Fantomas
Helpers for accessing Fantomas syntax trees. |
|
|
Fabulous.AST
Fabulous.AST, an Abstract Syntax Tree (AST) Domain Specific Language (DSL) for F#. |
|
|
Partas.Feliz.Generator
Package Description |
GitHub repositories
This package is not used by any popular GitHub repositories.
| Version | Downloads | Last Updated |
|---|---|---|
| 8.0.0-alpha-026 | 39 | 8/29/2026 |
| 8.0.0-alpha-025 | 45 | 8/28/2026 |
| 8.0.0-alpha-024 | 31 | 8/28/2026 |
| 8.0.0-alpha-023 | 35 | 8/28/2026 |
| 8.0.0-alpha-022 | 44 | 8/27/2026 |
| 8.0.0-alpha-021 | 38 | 8/27/2026 |
| 8.0.0-alpha-020 | 36 | 8/27/2026 |
| 8.0.0-alpha-019 | 42 | 8/26/2026 |
| 8.0.0-alpha-018 | 39 | 8/26/2026 |
| 8.0.0-alpha-017 | 71 | 8/25/2026 |
| 8.0.0-alpha-016 | 71 | 8/25/2026 |
| 8.0.0-alpha-015 | 80 | 8/24/2026 |
| 8.0.0-alpha-014 | 90 | 8/20/2026 |
| 8.0.0-alpha-013 | 83 | 8/19/2026 |
| 8.0.0-alpha-012 | 145 | 4/16/2026 |
| 8.0.0-alpha-011 | 125 | 4/15/2026 |
| 8.0.0-alpha-010 | 121 | 4/15/2026 |
| 8.0.0-alpha-009 | 133 | 4/3/2026 |
| 8.0.0-alpha-008 | 143 | 3/25/2026 |
| 7.0.6 | 786 | 8/19/2026 |
### Fixed
- A call on a constant receiver keeps its parenthesis tight, so `"yow".Substring (0, 3)` and `3L.ToString ()` come out as `"yow".Substring(0, 3)` and `3L.ToString()`. `8.0.0-alpha-018` gave a constant receiver a space it was never meant to have. The rule there says a call keeps the space only when the whole thing being called is a plain dotted name, and the comment agreed at [fslang-design#648](https://github.com/fsharp/fslang-design/issues/648) lists `"yow".Substring(0, 3)` under "a receiver that is not a name", beside `(f x)` and `[ 1; 2 ]`. The alpha carved constants back out on the reasoning that a constant is atomic rather than bracketed, which went past what was agreed and was not deliberate. A constant is a value, the rule asks for a name, so it goes tight. A type parameter really is a name, so `'T.set_StaticProperty (3)` is unaffected. [#3426](https://github.com/fsprojects/fantomas/pull/3426)