Subject: Re: [bug#50368] [PATCH 4/9] gnu: Add rust-noise-0.7.

From: Xinglu Chen <[email-masked]>
Date: Sat, 04 Sep 2021 21:17:17 +0200

On Sat, Sep 04 2021, phodina via Guix-patches via wrote:

> * gnu/packages/crates-io.scm (rust-noise-0.7): New variable.
>
> diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
> index 3bcd20b9be..3df14a1d6d 100644
> --- a/gnu/packages/crates-io.scm
> +++ b/gnu/packages/crates-io.scm
> @@ -29108,6 +29108,34 @@ with all line endings.")
>        "Cross-platform filesystem notification library")
>      (license (list license:cc0 license:artistic2.0))))
>
> +(define-public rust-noise-0.7
> +  (package
> +    (name "rust-noise")
> +    (version "0.7.0")
> +    (source
> +     (origin
> +       (method url-fetch)
> +       (uri (crate-uri "noise" version))
> +       (file-name
> +        (string-append name "-" version ".tar.gz"))
> +       (sha256
> +        (base32
> +         "0hsbw9gpsz8w9msvyvddygagd9wj93hqpg5pxz388laxfkb1s1c2"))))
> +    (build-system cargo-build-system)
> +    (arguments
> +     `(#:cargo-inputs
> +       (("rust-image" ,rust-image-0.23)
> +        ("rust-rand" ,rust-rand-0.7)
> +        ("rust-rand-xorshift" ,rust-rand-xorshift-0.2))
> +       #:cargo-development-inputs
> +       (("rust-criterion" ,rust-criterion-0.3))))
> +    (home-page
> +     "https://github.com/razaekel/noise-rs")

Nit: A newline isn’t necessary.

> +    (synopsis "Procedural noise generation library")
> +    (description
> +     "Procedural noise generation library.")

The description should consist of one or more complete sentences.  See
“16.4.4 Synopses and Descriptions” in the manual.  Maybe (based on the
README)

  This pakcage provides a Rust library to generate smoothly varying
  noise for textural use and graphical display.