21/43: gnu: Add rust-pin-utils.

[guix-commits]

efraim pushed a commit to branch master
in repository guix.

commit b275df9cd39ed6ba1eaa7f26cc252df9671651ba
Author: Efraim Flashner <address@hidden>
Date:   Sun Aug 4 13:55:27 2019 +0300

    gnu: Add rust-pin-utils.
    
    * gnu/packages/creates-io.scm (rust-pin-utils): New variable.
---
 gnu/packages/crates-io.scm | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index 76b70de..21a01a3 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -413,6 +413,25 @@ the @code{take_while} predicate returned false after 
dropping the @code{by_ref}.
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-pin-utils
+  (package
+    (name "rust-pin-utils")
+    (version "0.1.0-alpha.4")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "pin-utils" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "11xmyx00n4m37d546by2rxb8ryxs12v55cc172i3yak1rqccd52q"))))
+    (build-system cargo-build-system)
+    (home-page "https://github.com/rust-lang-nursery/pin-utils";)
+    (synopsis "Utilities for pinning")
+    (description "This crate provides utilities for pinning values on the 
stack.")
+    (license (list license:asl2.0
+                   license:expat))))
+
 (define-public rust-proc-macro2
   (package
     (name "rust-proc-macro2")