impl TableEncode for (A, B)

Author: vorot93

src/kv/tables.rs

@@ -202,6 +202,22 @@ where
     }
 }
 
+impl<A, B, const A_LEN: usize, const B_LEN: usize> TableEncode for (A, B)
+where
+    A: TableEncode<Encoded = [u8; A_LEN]>,
+    B: TableEncode<Encoded = [u8; B_LEN]>,
+    [u8; A_LEN + B_LEN]: AsRef<[u8]>,
+{
+    type Encoded = [u8; A_LEN + B_LEN];
+
+    fn encode(self) -> Self::Encoded {
+        let mut v = [0; A_LEN + B_LEN];
+        v[..A_LEN].copy_from_slice(&self.0.encode());
+        v[A_LEN..].copy_from_slice(&self.1.encode());
+        v
+    }
+}
+
 impl DupSort for PlainState {
     type SeekBothKey = Vec<u8>;
 }

src/lib.rs

@@ -3,6 +3,7 @@
     destructuring_assignment,
     entry_insert,
     generic_associated_types,
+    generic_const_exprs,
     linked_list_cursors,
     never_type,
     step_trait,