From 71ead8889a1035fbb84a03a0294146cb7d017dc3 Mon Sep 17 00:00:00 2001
From: Zhao Ziqian <73071130+El-even-11@users.noreply.github.com>
Date: Wed, 22 Feb 2023 06:45:35 +0800
Subject: [PATCH] feat(code): map + unwrap_or -> map_or (#13)

---
 mini-lsm/src/table.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mini-lsm/src/table.rs b/mini-lsm/src/table.rs
index 2a36fd2..4349ca7 100644
--- a/mini-lsm/src/table.rs
+++ b/mini-lsm/src/table.rs
@@ -140,8 +140,7 @@ impl SsTable {
         let offset_end = self
             .block_metas
             .get(block_idx + 1)
-            .map(|x| x.offset)
-            .unwrap_or(self.block_meta_offset);
+            .map_or(self.block_meta_offset, |x| x.offset);
         let block_data = self
             .file
             .read(offset as u64, (offset_end - offset) as u64)?;