30/53: gnu: Add rust-safemem.

[guix-commits]

efraim pushed a commit to branch master
in repository guix.

commit b3038b3826e4b4a6fc1e479ec4cc20a2263866f7
Author: Efraim Flashner <address@hidden>
Date:   Wed Aug 28 16:20:13 2019 +0300

    gnu: Add rust-safemem.
    
    * gnu/packages/crates-io.scm (rust-safemem): New variable.
---
 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 8100102..3589e82 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -1118,6 +1118,26 @@ rust-lang/rust integration.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-safemem
+  (package
+    (name "rust-safemem")
+    (version "0.3.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "safemem" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1l1ljkm4lpyryrv2ndaxi1f7z1f3v9bwy1rzl9f9mbhx04iq9c6j"))))
+    (build-system cargo-build-system)
+    (home-page "https://github.com/abonander/safemem";)
+    (synopsis "Safe wrappers for memory-accessing functions")
+    (description
+     "Safe wrappers for memory-accessing functions, like 
@code{std::ptr::copy()}.")
+    (license (list license:asl2.0
+                   license:expat))))
+
 (define-public rust-scoped-tls
   (package
     (name "rust-scoped-tls")