22/299: gnu: Add rust-cast-0.2.

[guix-commits]

efraim pushed a commit to branch master
in repository guix.

commit 472685a7e981b5d051368cab068ba9bb72fcb569
Author: John Soo <address@hidden>
Date:   Fri Dec 13 23:02:49 2019 -0800

    gnu: Add rust-cast-0.2.
    
    * gnu/packages/crates-io.scm (rust-cast-0.2): New variable.
    
    Signed-off-by: Efraim Flashner <address@hidden>
---
 gnu/packages/crates-io.scm | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index ab4a5ef..32afcca 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -374,6 +374,31 @@ used in argon2rs' bench suite.")
     (properties '((hidden? . #t)))
     (license license:wtfpl2)))
 
+(define-public rust-cast-0.2
+  (package
+    (name "rust-cast")
+    (version "0.2.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "cast" version))
+       (file-name
+        (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "09yl2700crxa4n860b080msij25klvs1kfzazhp2aihchvr16q4j"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-development-inputs
+       (("rust-quickcheck" ,rust-quickcheck-0.8))))
+    (home-page "https://github.com/japaric/cast.rs";)
+    (synopsis
+     "Ergonomic, checked cast functions for primitive types")
+    (description
+     "Ergonomic, checked cast functions for primitive types.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-cblas-sys-0.1
   (package
     (name "rust-cblas-sys")