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Haskell Formatter✓

Format Haskell source with consistent layout and indentation for easier reading and review.

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Or use this tool in the OneKit CLI.

The CLI prepares the required dependencies and models on first use.

Get the CLI

How to use Haskell Formatter

Install the OneKit CLI on Windows, macOS or Linux.
Run onekit doctor dev-format-haskell to check the Python packages and external engines required by this tool.
Use onekit run dev-format-haskell with your HS, LHS, plain text, an output destination and the required tool options. Dependencies are prepared automatically on first use.

onekit doctor dev-format-haskell

Download the OneKit CLI · CLI setup and usage

Formats and requirements

Input formats: HS, LHS, plain text
Output: Depends on the selected output options
Availability: OneKit CLI; available in the CLI
Files per operation: 1

What to expect

Validation checks the configured parser or compiler; project-wide types, imports and dependencies may require a local project.

Does this tool run in the browser?

This tool currently runs through the local OneKit CLI. The browser version is in development. Install its required packages or external engines before processing your files.

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