From 137c45c4af8a3199fbc7672700b53fb3181c00c3 Mon Sep 17 00:00:00 2001
From: John Soo <address@hidden>
Date: Sun, 15 Dec 2019 08:49:03 -0800
Subject: [PATCH 171/263] gnu: Add rust-rand-chacha-0.2.

* gnu/packages/crates-io.scm (rust-rand-chacha-0.2): New variable.
---
 gnu/packages/crates-io.scm | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index 97fd1a6002..a8b377b018 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -5903,6 +5903,33 @@ useful types and distributions, and some randomness-related algorithms.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-rand-chacha-0.2
+  (package
+    (name "rust-rand-chacha")
+    (version "0.2.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "rand_chacha" version))
+       (file-name
+        (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "178d36jfkc4v95s25scc2vibj2hd2hlk64cs6id4hvzg89whd4z1"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-c2-chacha" ,rust-c2-chacha-0.2)
+        ("rust-rand-core" ,rust-rand-core-0.5))
+       #:cargo-development-inputs
+       (("rust-autocfg" ,rust-autocfg-0.1))))
+    (home-page
+     "https://crates.io/crates/rand_chacha")
+    (synopsis "ChaCha random number generator")
+    (description "ChaCha random number generator.")
+    (license (list license:asl2.0 license:expat))))
+
 (define-public rust-rand-core-0.5
   (package
     (name "rust-rand-core")
-- 
2.24.1