31/39: gnu: Add rust-bytemuck@1.2.0.

[guix-commits]

dannym pushed a commit to branch wip-desktop
in repository guix.

commit ef736957c0a4a64b4682c4193487f66ad3ee209e
Author: Raghav Gururajan <raghavgururajan@disroot.org>
AuthorDate: Thu Jul 9 07:54:46 2020 -0400

    gnu: Add rust-bytemuck@1.2.0.
    
    * gnu/packages/crates-io.scm (rust-bytemuck-1.2): New variable.
    
    Signed-off-by: Danny Milosavljevic <dannym@scratchpost.org>
---
 gnu/packages/crates-io.scm | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index e1f2507..99349d1 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -2116,6 +2116,28 @@ in a byte slice, fast.")
         ("rust-quickcheck" ,rust-quickcheck-0.6)
         ("rust-rand" ,rust-rand-0.4))))))
 
+(define-public rust-bytemuck-1.2
+  (package
+    (name "rust-bytemuck")
+    (version "1.2.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "bytemuck" version))
+       (file-name
+        (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0cclc9v10hc1abqrxgirg3qbwa3ra3s0dai3xiwv9v4j4bgi7yip"))))
+    (build-system cargo-build-system)
+    (home-page
+     "https://crates.io/crates/bytemuck";)
+    (synopsis
+     "A crate for mucking around with piles of bytes")
+    (description
+     "A crate for mucking around with piles of bytes.")
+    (license license:zlib)))
+
 (define-public rust-byteorder-1.3
   (package
     (name "rust-byteorder")