Expose errorkind

src/lib.rs

@@ -38,6 +38,12 @@ pub struct Iter<'a, K: IndexType, V: IndexType> {
     iter: TxIndexIter<'a, K, V>,
 }
 
+impl Error {
+    pub fn kind(&self) -> &ErrorKind {
+        &self.kind
+    }
+}
+
 impl Db {
     pub fn open(path: impl AsRef<Path>) -> Result<Self, Error> {
         let persy = Persy::open_or_create_with(path, Config::new(), |_| Ok(()))?;