124/189: gnu: Add rust-tower-service-0.3.

[guix-commits]

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

commit 5d0fa7c901723181d80ee6e198c1623b2ead2588
Author: Arun Isaac <arunisaac@systemreboot.net>
AuthorDate: Sat Sep 19 23:56:14 2020 +0530

    gnu: Add rust-tower-service-0.3.
    
    * gnu/packages/crates-io.scm (rust-tower-service-0.3): New variable.
---
 gnu/packages/crates-io.scm | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index ed7b067..6338646 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -29703,6 +29703,29 @@ serializing Rust structures.")
         ("rust-serde" ,rust-serde-0.8))))
     (home-page "https://github.com/alexcrichton/toml-rs";)
     (synopsis "Rust encoder and decoder of TOML-formatted files and streams")
+
+(define-public rust-tower-service-0.3
+  (package
+    (name "rust-tower-service")
+    (version "0.3.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "tower-service" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0q4q53w82w1wd71x7vbspg2l3jicb6al2w1qdwxmnjrz8jzvd1z9"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-development-inputs
+       (("rust-http" ,rust-http-0.1))))
+    (home-page "https://github.com/tower-rs/tower";)
+    (synopsis "Asynchronous, request / response based, client or server.")
+    (description "This package provides a trait representing an asynchronous,
+request/response based, client or server.")
+    (license license:expat)))
+
     (description
      "This package provides a native Rust encoder and decoder of TOML-formatted
 files and streams.  Provides implementations of the standard