wip: error boundary

packages/core/src/dirty_scope.rs

@@ -0,0 +1,19 @@
+use crate::ScopeId;
+
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct DirtyScope {
+    pub height: u32,
+    pub id: ScopeId,
+}
+
+impl PartialOrd for DirtyScope {
+    fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
+        Some(self.height.cmp(&other.height))
+    }
+}
+
+impl Ord for DirtyScope {
+    fn cmp(&self, other: &Self) -> std::cmp::Ordering {
+        self.height.cmp(&other.height)
+    }
+}