01/04: gnu: Add rust-downcast-0.11.

[guix-commits]

efraim pushed a commit to branch master
in repository guix.

commit fd7c10681ab2eb3ce3466bc40cafd4013ab09abb
Author: Steve George <steve@futurile.net>
AuthorDate: Thu Feb 16 22:57:39 2023 +0000

    gnu: Add rust-downcast-0.11.
    
    * gnu/packages/crates-io.scm (rust-downcast-0.11): New variable.
    
    Signed-off-by: Efraim Flashner <efraim@flashner.co.il>
---
 gnu/packages/crates-io.scm | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index e615a51b01..1bb55a0a2d 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -17761,6 +17761,26 @@ from macros.")
 @code{Cargo.toml}.")
     (license (list license:expat license:asl2.0))))
 
+(define-public rust-downcast-0.11
+  (package
+    (name "rust-downcast")
+    (version "0.11.0")
+    (source (origin
+              (method url-fetch)
+              (uri (crate-uri "downcast" version))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1wa78ahlc57wmqyq2ncr80l7plrkgz57xsg7kfzgpcnqac8gld8l"))))
+    (build-system cargo-build-system)
+    (home-page "https://github.com/fkoep/downcast-rs";)
+    (synopsis
+     "Trait for downcasting trait objects back to their original types")
+    (description
+     "This package provides a trait, and utilities, for downcasting trait
+objects back to their original types.  The same as the rust-downcast-rs 
crate.")
+    (license license:expat)))
+
 (define-public rust-downcast-rs-1
   (package
     (name "rust-downcast-rs")