[PATCH 75/86] gnu: Add rust-tokio-core.

[ng0]

* gnu/packages/rust.scm (rust-tokio-core): New variable.
---
 gnu/packages/rust.scm | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/gnu/packages/rust.scm b/gnu/packages/rust.scm
index 6c1e22afe..2facc9fd3 100644
--- a/gnu/packages/rust.scm
+++ b/gnu/packages/rust.scm
@@ -2055,3 +2055,33 @@ avoid common pitfalls in Rust.")
      "MIO is a lightweight IO library for Rust with a focus on adding
 as little overhead as possible over the OS abstractions.")
     (license license:expat)))
+
+(define-public rust-tokio-core
+  (package
+    (name "rust-tokio-core")
+    (version "0.1.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "tokio-core" version))
+       (file-name
+        (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0n3y6j2xy0psj0iv86pz6w0vdzippmk1qzrsahmc5fksjcz6nhaj"))))
+    (build-system cargo-build-system)
+    (native-inputs
+     `(("rust-env-logger" ,rust-env-logger "src")
+       ("rust-libc" ,rust-libc "src")))
+    (inputs
+     `(("rust-futures" ,rust-futures "src")
+       ("rust-log" ,rust-log "src")
+       ("rust-mio" ,rust-mio "src")
+       ("rust-scoped-tls" ,rust-scoped-tls "src")
+       ("rust-slab" ,rust-slab "src")))
+    (home-page "https://github.com/tokio-rs/tokio-core";)
+    (synopsis "Core I/O and event loop primitives for asynchronous I/O in 
Rust")
+    (description
+     "Tokio-core provides Core I/O and event loop primitives for
+asynchronous I/O in Rust.")
+    (license (list license:expat license:asl2.0))))
-- 
2.11.0