Merge pull request #37 from strict-types/fix/34

Fix Variant Eq implementation

rust/src/util.rs

@@ -82,7 +82,7 @@ impl Display for Sizing {
     }
 }
 
-#[derive(Clone, PartialEq, Eq, Hash, Debug)]
+#[derive(Clone, Eq, Hash, Debug)]
 #[cfg_attr(feature = "serde", derive(Serialize, Deserialize), serde(crate = "serde_crate"))]
 pub struct Variant {
     pub name: VariantName,
@@ -107,6 +107,12 @@ impl Variant {
     }
 }
 
+impl PartialEq for Variant {
+    fn eq(&self, other: &Self) -> bool {
+        self.tag == other.tag || self.name == other.name
+    }
+}
+
 impl PartialOrd for Variant {
     fn partial_cmp(&self, other: &Self) -> Option<Ordering> { Some(self.cmp(other)) }
 }