36/43: gnu: Add rust-typenum.

[guix-commits]

efraim pushed a commit to branch master
in repository guix.

commit 92a292f14f23d236b909c8ec9c997928072a4b8a
Author: Efraim Flashner <address@hidden>
Date:   Sun Aug 4 14:07:45 2019 +0300

    gnu: Add rust-typenum.
    
    * gnu/packages/crates-io.scm (rust-typenum): New variable.
---
 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 5c8bcf8..9f1d4fc 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -759,6 +759,28 @@ and Jaro-Winkler.")
      "This package provides helper test traits for synstructure doctests.")
     (license license:expat)))
 
+(define-public rust-typenum
+  (package
+    (name "rust-typenum")
+    (version "1.10.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "typenum" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0sc1jirllfhdi52z1xv9yqzxzpk6v7vadd13n7wvs1wnjipn6bb1"))))
+    (build-system cargo-build-system)
+    (home-page "https://github.com/paholg/typenum";)
+    (synopsis "Rust library for type-level numbers evaluated at compile time")
+    (description "Typenum is a Rust library for type-level numbers evaluated at
+compile time.  It currently supports bits, unsigned integers, and signed
+integers.  It also provides a type-level array of type-level numbers, but its
+implementation is incomplete.")
+    (license (list license:asl2.0
+                   license:expat))))
+
 (define-public rust-unicode-xid
   (package
     (name "rust-unicode-xid")