gnu: Add rust-enum-primitive-0.1.

* gnu/packages/crates-io.scm (rust-enum-primitive-0.1): New variable.

Signed-off-by: Nicolas Goaziou <mail@nicolasgoaziou.fr>

gnu/packages/crates-io.scm

@@ -11042,6 +11042,29 @@ accessor functions on enums.")
         ("rust-quote" ,rust-quote-0.6)
         ("rust-syn" ,rust-syn-0.15))))))
 
+(define-public rust-enum-primitive-0.1
+  (package
+    (name "rust-enum-primitive")
+    (version "0.1.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "enum-primitive" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "100ip2p3w1rq0clca2ai5shhvpxfipnsjncj0f9ralad5w4m2idy"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-num-traits" ,rust-num-traits-0.1))))
+    (home-page "https://github.com/andersk/enum_primitive-rs")
+    (synopsis "Macro to generate @code{num::FromPrimitive} instances for enum")
+    (description
+     "This package provides a macro to generate @code{num::FromPrimitive}
+instances for enum.")
+    (license license:expat)))
+
 (define-public rust-enum-to-u8-slice-derive-0.1
   (package
     (name "rust-enum-to-u8-slice-derive")