gnu: Add rust-crossbeam-channel-0.4.
authorJohn Soo <jsoo1@asu.edu>
Wed, 15 Jan 2020 17:50:57 +0000 (09:50 -0800)
committerEfraim Flashner <efraim@flashner.co.il>
Mon, 20 Jan 2020 15:24:17 +0000 (17:24 +0200)
commitb42899c29c35d97c9f860642759303781e41e7ad
treeb4732a7e2f5fc08a21b19c415e4d3653fd6a6aa6
parent2cd2cb2b92061aa93d279d5ab7c7921cb2e199e7
gnu: Add rust-crossbeam-channel-0.4.

* gnu/packages/crates-io.scm (rust-crossbeam-channel-0.4): New variable.
(rust-crossbeam-channel-0.3): Inherit from rust-crossbeam-channel-0.4.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>
gnu/packages/crates-io.scm