check compaction converge for simple leveled

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

mini-lsm-week-1/src/block/builder.rs

@@ -24,7 +24,7 @@ impl BlockBuilder {
 
     fn estimated_size(&self) -> usize {
         SIZEOF_U16 /* number of key-value pairs in the block */ +  self.offsets.len() * SIZEOF_U16 /* offsets */ + self.data.len()
-        /* key-value pairs */
+        // key-value pairs
     }
 
     /// Adds a key-value pair to the block. Returns false when the block is full.

mini-lsm-week-1/src/table.rs

@@ -33,7 +33,8 @@ impl BlockMeta {
             // The size of actual key
             estimated_size += meta.first_key.len();
         }
-        // Reserve the space to improve performance, especially when the size of incoming data is large
+        // Reserve the space to improve performance, especially when the size of incoming data is
+        // large
         buf.reserve(estimated_size);
         let original_len = buf.len();
         for meta in block_meta {