[PATCH 29/86] gnu: Add rust-matches.

[ng0]

* gnu/packages/rust.scm (rust-matches): New variable.
---
 gnu/packages/rust.scm | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/gnu/packages/rust.scm b/gnu/packages/rust.scm
index 6f147d9ba..e68c62dd8 100644
--- a/gnu/packages/rust.scm
+++ b/gnu/packages/rust.scm
@@ -885,3 +885,24 @@ at build time in order to be used in Cargo build scripts.")
     (synopsis "OpenSSL bindings for Rust")
     (description "OpenSSL bindings for Rust")
     (license license:expat)))
+
+(define-public rust-matches
+  (package
+    (name "rust-matches")
+    (version "0.1.4")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "matches" version))
+       (file-name
+        (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1c8190j84hbicy8jwscw5icfam12j6lcxi02lvmadq9260p65mzg"))))
+    (build-system cargo-build-system)
+    (home-page "https://github.com/SimonSapin/rust-std-candidates";)
+    (synopsis "Macro to evaluate whether an expression matches a pattern")
+    (description
+     "This package provides a macro to evaluate, as a boolean,
+whether an expression matches a pattern.")
+    (license license:expat)))
-- 
2.11.0