Subject: [bug#50537] [PATCH 06/27] gnu: Add ruby-value-semantics.

From: Stephen Paul Weber <[email-masked]>
Date: Sat, 11 Sep 2021 22:05:11 -0500

* gnu/packages/ruby.scm (ruby-value-semantics): New variable.
---
 gnu/packages/ruby.scm | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/gnu/packages/ruby.scm b/gnu/packages/ruby.scm
index efef72db03..4b04710665 100644
--- a/gnu/packages/ruby.scm
+++ b/gnu/packages/ruby.scm
@@ -12662,3 +12662,35 @@ completes")
 payments platform.")
     (home-page "https://www.braintreepayments.com/")
     (license license:expat)))
+
+(define-public ruby-value-semantics
+  (package
+    (name "ruby-value-semantics")
+    (version "3.6.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (rubygems-uri "value_semantics" version))
+        (sha256
+          (base32
+            "1vdwai8wf6r1fkvdpyz1vzxm89q7ghjvb3pqpg2kvwibwzd99dnx"))))
+    (build-system ruby-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (replace 'check
+           (lambda _
+             (invoke "rspec")
+             #t)))))
+    (native-inputs
+     `(("ruby-rspec" ,ruby-rspec)))
+    (synopsis
+      "Modules that provide conventional value semantics for a set of attributes")
+    (description
+      "Generates modules that provide conventional value semantics for a given
+set of attributes.
+The behaviour is similar to an immutable `Struct` class,
+plus extensible, lightweight validation and coercion.")
+    (home-page
+      "https://github.com/tomdalling/value_semantics")
+    (license license:expat)))
-- 
2.20.1