From 5dca5eef84e70826b06fcf03ec4b7f08a70801c4 Mon Sep 17 00:00:00 2001
From: John Soo <address@hidden>
Date: Fri, 20 Dec 2019 08:24:23 -0800
Subject: [PATCH 255/263] gnu: Add rust-ref-cast-0.2.

* gnu/packages/crates-io.scm (rust-ref-cast-0.2): New variable.
---
 gnu/packages/crates-io.scm | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index 62bc03797b..9ecefa66ce 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -7858,6 +7858,32 @@ system calls.")
     (properties '((hidden? . #t)))
     (license license:expat)))
 
+(define-public rust-ref-cast-0.2
+  (package
+    (name "rust-ref-cast")
+    (version "0.2.6")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "ref-cast" version))
+       (file-name
+        (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0jgj1zxaikqm030flpifbp517fy4z21lly6ysbwyciii39bkzcf1"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-ref-cast-impl" ,rust-ref-cast-impl-0.2))))
+    (home-page "https://github.com/dtolnay/ref-cast")
+    (synopsis
+     "Safely cast &T to &U")
+    (description
+     "Safely cast &T to &U where the struct U contains a single field of type
+T.")
+    (license `(,license:asl2.0 ,license:expat))))
+
 (define-public rust-ref-cast-impl-0.2
   (package
     (name "rust-ref-cast-impl")
-- 
2.24.1