148/272: gnu: Add rust-derive-is-enum-variant-0.1.

[guix-commits]

ngz pushed a commit to branch master
in repository guix.

commit 8db412a641c7ff7ed389c2e7475dec60441ca896
Author: Nicolas Goaziou <mail@nicolasgoaziou.fr>
AuthorDate: Wed Feb 10 15:40:54 2021 +0100

    gnu: Add rust-derive-is-enum-variant-0.1.
    
    * gnu/packages/crates-io.scm (rust-derive-is-enum-variant-0.1): 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 93e6ee0..f802d43 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -10316,6 +10316,31 @@ for arbitrary structs.")
 error-chain.")
     (license (list license:expat license:asl2.0))))
 
+(define-public rust-derive-is-enum-variant-0.1
+  (package
+    (name "rust-derive-is-enum-variant")
+    (version "0.1.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "derive_is_enum_variant" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "15w18649m4h47pdpr04id0wv8br8bg606zvrafcrfijihicqib6h"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-heck" ,rust-heck-0.3)
+        ("rust-quote" ,rust-quote-0.3)
+        ("rust-syn" ,rust-syn-0.11))))
+    (home-page "https://github.com/fitzgen/derive_is_enum_variant";)
+    (synopsis "Automatically derives predicates for enums")
+    (description
+     "This package automatically derives @samp{is_dog} and @samp{is_cat}
+methods for @samp{enum Pet @{ Dog, Cat @}}.")
+    (license (list license:asl2.0 license:expat))))
+
 (define-public rust-derive-more-0.99
   (package
     (name "rust-derive-more")