mark all enums as non-exhaustive

CHANGELOG.md

@@ -1,3 +1,9 @@
+# v3.0.0 (TBD)
+
+Changes:
+
+- All enums are now marked as non-exhaustive, since the JMdict tends to add more variants as time goes on.
+
 # v2.0.0 (2021-07-19)
 
 JMdict was updated to 2021-09-17. This requires the following changes in enum variants:

jmdict-enums/build.rs

@@ -390,6 +390,7 @@ fn process(e: Enum) -> String {
     //enum declaration
     lines.push(format!("/// {}", e.doc));
     lines.push("#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]".into());
+    lines.push("#[non_exhaustive]".into());
     lines.push(format!("pub enum {} {{", e.name));
     for v in e.variants.iter().filter(|v| v.enabled) {
         if let Some(ref entities) = e.entities {