---
name: "derive"
section: "1"
platform: "linux"
package: "haskell-derive-utils"
version: "2.6.4-2+b2"
release: "Debian 10 (Buster)"
platforms: ["linux"]
url: "https://new.carta.tech/derive"
---

# derive(1)

Deriving instances for data types in Haskell

## NAME

Derive - Deriving instances for data types in Haskell

## SYNOPSIS

**derive** \[*OPTION*...\] *files*...

## DESCRIPTION

- **-v** **--version**

  show version number

- **-h**, -? **--help**

  show help message

- **-o** FILE **--output**=*FILE*

  output FILE

- **-i\[MODULE\]** **--import**\[=*MODULE*\]

  add an import statement

- **-m** MODULE **--module**=*MODULE*

  add a module MODULE where statement

- **-a** **--append**

  append the result to the file

- **-d** DERIVES **--derive**=*DERIVES*

  things to derive for all types

- **-n** **--no-opts**

  ignore the file options

- **-F** **--preprocessor**

  operate as a GHC preprocessor with **-pgmF**

- **--test**

  run the test suite

- **--generate**

  perform code generation

## AUTHOR

The original version of this manual page was written by Masayuki Hatta \<mhatta@debian.org\> for the **Debian** system. Permission is granted to copy, distribute and/or modify this document under the same terms of the haskell-derive software.