06/19: gnu: Add rust-futures-sink-0.3.

[guix-commits]

efraim pushed a commit to branch master
in repository guix.

commit e6cb6c35f0073154b4c6fc3c9860bb0d021505e9
Author: Valentin Ignatev <address@hidden>
AuthorDate: Wed Jan 15 03:33:05 2020 +0300

    gnu: Add rust-futures-sink-0.3.
    
    * gnu/packages/crates-io.scm (rust-futures-sink-0.3): New variable.
    
    Signed-off-by: Efraim Flashner <address@hidden>
---
 gnu/packages/crates-io.scm | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index 2a530f9..44466e1 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -4243,6 +4243,26 @@ for the futures-rs library.")
 @code{Future}s at once and handling the first one to complete.")
     (license (list license:expat license:asl2.0))))
 
+(define-public rust-futures-sink-0.3
+  (package
+    (name "rust-futures-sink")
+    (version "0.3.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "futures-sink" version))
+       (file-name
+        (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "05iwskzxq3yqvxv9l1kqnd7kkmp0dwc39fnvwrcjsg76z8zf66qp"))))
+    (build-system cargo-build-system)
+    (home-page "https://rust-lang-nursery.github.io/futures-rs";)
+    (synopsis "Asynchronous `Sink` trait for the futures-rs library")
+    (description "This package provides the asynchronous @code{Sink} trait for
+the futures-rs library.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-futures-sink-preview-0.3
   (package
     (name "rust-futures-sink-preview")