use symlink when possible

Signed-off-by: Alex Chi <iskyzh@gmail.com>

mini-lsm-mvcc/src/debug.rs

@@ -1,23 +0,0 @@
-use crate::lsm_storage::{LsmStorageInner, MiniLsm};
-
-impl LsmStorageInner {
-    pub fn dump_structure(&self) {
-        let snapshot = self.state.read();
-        if !snapshot.l0_sstables.is_empty() {
-            println!(
-                "L0 ({}): {:?}",
-                snapshot.l0_sstables.len(),
-                snapshot.l0_sstables,
-            );
-        }
-        for (level, files) in &snapshot.levels {
-            println!("L{level} ({}): {:?}", files.len(), files);
-        }
-    }
-}
-
-impl MiniLsm {
-    pub fn dump_structure(&self) {
-        self.inner.dump_structure()
-    }
-}

mini-lsm-mvcc/src/debug.rs

@@ -0,0 +1 @@
+../../mini-lsm-starter/src/debug.rs