Add NoKind

build.rs

@@ -45,6 +45,7 @@ fn main() {
             kind_enum.push_str(kind.as_str().unwrap().to_uppercase().as_str());
             kind_enum.push_str(",\n");
         }
+        kind_enum.push_str("    NoKind,\n");
         kind_enum.push_str("}\n");
 
         // Create timestamps

src/lib.rs

@@ -209,12 +209,16 @@ macro_rules! map_kind {
     ( $src:expr, $($type:expr => $kind:expr),* ) => {
         {
             #[cfg(feature = "xlap")]
-            match $src {
-                $($type => $kind),*,
-                _ => unreachable!(),
+            {
+                match $src {
+                    $($type => $kind),*,
+                    _ => unreachable!(),
+                }
             }
             #[cfg(not(feature = "xlap"))]
-            $crate::Kind::NoKind
+            {
+                $crate::Kind::NoKind
+            }
         }
     }
 }