10/53: gnu: Add rust-widestring.

[guix-commits]

efraim pushed a commit to branch master
in repository guix.

commit 0aa98c69845bf3967f2bbce768e25fbe79c50bcb
Author: Efraim Flashner <address@hidden>
Date:   Wed Aug 28 15:20:01 2019 +0300

    gnu: Add rust-widestring.
    
    * gnu/packages/crates-io.scm (rust-widestring): 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 dcf7a50..6b080ae 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -1080,6 +1080,31 @@ in Rust.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-widestring
+  (package
+    (name "rust-widestring")
+    (version "0.4.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "widestring" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1dhx6dndjsz1y7c9w06922412kdxyrrkqblvggm76mh8z17hxz7g"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-development-inputs
+       (("rust-winapi" ,rust-winapi))))
+    (home-page "https://github.com/starkat99/widestring-rs";)
+    (synopsis "Wide string Rust FFI library")
+    (description
+     "A wide string Rust FFI library for converting to and from wide strings,
+such as those often used in Windows API or other FFI libaries.  Both UTF-16 and
+UTF-32 types are provided, including support for malformed encoding.")
+    (license (list license:asl2.0
+                   license:expat))))
+
 (define-public rust-winapi
   (package
     (name "rust-winapi")