19/28: gnu: Add rust-treeline-0.1.

[guix-commits]

efraim pushed a commit to branch master
in repository guix.

commit 5638fa15f03c568deff115c6d6f36bd9cfde8c27
Author: Efraim Flashner <efraim@flashner.co.il>
AuthorDate: Sun Jul 12 13:43:50 2020 +0300

    gnu: Add rust-treeline-0.1.
    
    * gnu/packages/crates-io.scm (rust-treeline-0.1): New variable.
---
 gnu/packages/crates-io.scm | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index 0d33dc9..a1ed94d 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -26799,6 +26799,26 @@ serializing Rust str")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-treeline-0.1
+  (package
+    (name "rust-treeline")
+    (version "0.1.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "treeline" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0hcdgyk5xzcx2ylm0fr9czzs9cjznm7l9q5qz51qi97i82r43xx7"))))
+    (build-system cargo-build-system)
+    (home-page "https://github.com/softprops/treeline";)
+    (synopsis "Library for visualizing tree structured data")
+    (description
+     "This package provides a library for visualizing tree structured data.")
+    (license license:expat)))
+
 (define-public rust-try-from-0.3
   (package
     (name "rust-try-from")