23/85: gnu: Add rust-dogged-0.2.

[guix-commits]

htgoebel pushed a commit to branch master
in repository guix.

commit a4b6242f026909e6c678d58f0d4e58757b3984d3
Author: Hartmut Goebel <address@hidden>
AuthorDate: Sun Mar 8 12:19:11 2020 +0100

    gnu: Add rust-dogged-0.2.
    
    * gnu/packages/crates-io.scm (rust-dogged-0.2): New variable.
---
 gnu/packages/crates-io.scm | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index 188a3eb..3d45192 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -5390,6 +5390,31 @@ from macros.")
 parameters, associated types, and type constraints.")
     (license (list license:expat license:asl2.0))))
 
+(define-public rust-dogged-0.2
+  (package
+    (name "rust-dogged")
+    (version "0.2.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "dogged" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "0yk5l6qqidl5y935x15gi9kkd6niim1wb64r1l7kdzl9jw8dyf16"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-development-inputs
+       (("rust-rand" ,rust-rand-0.3))))
+    (home-page "https://github.com/nikomatsakis/dogged";)
+    (synopsis "Persistent vector, similar to Clojure")
+    (description "This package experimental persistent collections in Rust.
+Based on a digit-indexed trie, as in Clojure.  Supports @code{push()},
+@code{get()}, and @code{get_mut()} as its primitive operations for now.  All
+O(1)-in-practice, if not in theory, but obviously not as fast as a
+non-persistent vector.")
+    (license (list license:asl2.0 license:expat))))
+
 (define-public rust-draw-state-0.8
   (package
     (name "rust-draw-state")