Carlo Holl <carloholl@gmail.com> writes:

> ---
>  gnu/packages/haskell-xyz.scm | 33 +++++++++++++++++++++++++++++++++
>  1 file changed, 33 insertions(+)
>
> diff --git a/gnu/packages/haskell-xyz.scm b/gnu/packages/haskell-xyz.scm
> index 8060c2f034..46ed95d607 100644
> --- a/gnu/packages/haskell-xyz.scm
> +++ b/gnu/packages/haskell-xyz.scm
> @@ -1640,6 +1640,39 @@ hackage.haskell.org/package/cassava-0.5.2.0/#readme, README} for more usage
>  examples.")
>      (license license:bsd-3)))
>  
> +(define-public ghc-cassava-megaparsec
> +  (package
> +    (name "ghc-cassava-megaparsec")
> +    (version "2.0.2")
> +    (source
> +      (origin
> +        (method url-fetch)
> +        (uri (string-append
> +               "https://hackage.haskell.org/package/cassava-megaparsec/"
> +               "cassava-megaparsec-"
> +               version
> +               ".tar.gz"))
> +        (sha256
> +          (base32
> +            "03x1462agrfdagklp8c89b8p4z2hd8nbf6d3895sz770zjkawda7"))))
> +    (build-system haskell-build-system)
> +    (inputs
> +      `(("ghc-cassava" ,ghc-cassava)
> +        ("ghc-megaparsec" ,ghc-megaparsec)
> +        ("ghc-unordered-containers"
> +         ,ghc-unordered-containers)
> +        ("ghc-vector" ,ghc-vector)))
> +    (native-inputs
> +      `(("ghc-hspec" ,ghc-hspec)
> +        ("ghc-hspec-megaparsec" ,ghc-hspec-megaparsec)))
> +    (home-page
> +      "https://github.com/stackbuilders/cassava-megaparsec")
> +    (synopsis
> +      "Megaparsec parser of CSV files that plays nicely with Cassava")
> +    (description
> +      "Megaparsec parser of CSV files that plays nicely with Cassava.")

Similarly to the previous package, it would be good to write something
here for the description that doesn't repeat the synopsis.