149/189: gnu: Add rust-want-0.3.

[guix-commits]

arunisaac pushed a commit to branch wip-swc
in repository guix.

commit 0092571ea9f64b13bb4d3a84ad98df4bcb08cb4b
Author: Arun Isaac <arunisaac@systemreboot.net>
AuthorDate: Sun Sep 20 13:07:31 2020 +0530

    gnu: Add rust-want-0.3.
    
    * gnu/packages/crates-io.scm (rust-want-0.3): 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 a46d181..de192f2 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -31830,6 +31830,32 @@ specified across Unix and Windows platforms.")
         ("rust-rand" ,rust-rand-0.3)
         ("rust-rustc-serialize" ,rust-rustc-serialize-0.3))))))
 
+(define-public rust-want-0.3
+  (package
+    (name "rust-want")
+    (version "0.3.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "want" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "181b2zmwfq389x9n2g1n37cvcvvdand832zz6v8i1l8wrdlaks0w"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-log" ,rust-log-0.4)
+        ("rust-try-lock" ,rust-try-lock-0.2))
+       #:cargo-development-inputs
+       (("rust-tokio-executor" ,rust-tokio-executor-0.2)
+        ("rust-tokio-sync" ,rust-tokio-sync-0.2))))
+    (home-page "https://github.com/seanmonstar/want";)
+    (synopsis "Detect when another future wants a result")
+    (description "This package lets you detect when another future wants a
+result.")
+    (license license:expat)))
+
 (define-public rust-want-0.2
   (package
     (name "rust-want")