style: normalize comments/doc in rustfmt

analytic_engine/src/compaction/picker.rs

@@ -257,7 +257,7 @@ impl Bucket {
 
     #[inline]
     fn hotness(f: &FileHandle) -> f64 {
-        //prevent NAN hotness
+        // prevent NAN hotness
         let row_num = f.row_num().max(1);
         f.read_meter().h2_rate() / (row_num as f64)
     }

analytic_engine/src/memtable/mod.rs

@@ -233,7 +233,7 @@ pub trait MemTable {
 
     /// Insert one row into the memtable.
     ///
-    ///.- ctx: The put context
+    /// .- ctx: The put context
     /// - sequence: The sequence of the row
     /// - row: The row to insert
     /// - schema: The schema of the row

analytic_engine/src/table_options.rs

@@ -249,7 +249,7 @@ pub enum StorageFormat {
     /// Traditional columnar format, every column is saved in one exact one
     /// column, for example:
     ///
-    ///```plaintext
+    /// ```plaintext
     /// | Timestamp | Device ID | Status Code | Tag 1 | Tag 2 |
     /// | --------- |---------- | ----------- | ----- | ----- |
     /// | 12:01     | A         | 0           | v1    | v1    |

components/codec/src/varint.rs

@@ -56,7 +56,6 @@ pub fn encode_varint<B: SafeBufMut>(buf: &mut B, value: i64) -> Result<usize> {
     encode_uvarint(buf, x)
 }
 
-//
 // from https://golang.org/src/encoding/binary/varint.go?s=1611:1652#L31
 //
 // ```go

components/notifier/src/notifier.rs

@@ -74,7 +74,7 @@ where
             return RequestResult::Wait;
         }
 
-        //the key is not existed, insert the key and the notifier.
+        // the key is not existed, insert the key and the notifier.
         notifiers_by_key.insert(key, Notifiers::new(notifier));
         RequestResult::First
     }

components/size_ext/src/lib.rs

@@ -16,8 +16,8 @@
 
 //! Configure utils
 
-//This module is forked from tikv and remove unnecessary code.
-//https://github.com/tikv/tikv/blob/HEAD/src/util/config.rs
+// This module is forked from tikv and remove unnecessary code.
+// https://github.com/tikv/tikv/blob/HEAD/src/util/config.rs
 use std::{
     fmt::{self, Write},
     ops::{Div, Mul},

interpreters/src/show_create.rs

@@ -76,7 +76,7 @@ impl ShowCreateInterpreter {
     }
 
     fn render_table_sql(table_ref: TableRef) -> String {
-        //TODO(boyan) pretty output
+        // TODO(boyan) pretty output
         format!(
             "CREATE TABLE `{}` ({}){} ENGINE={}{}",
             table_ref.name(),

meta_client/src/types.rs

@@ -176,7 +176,7 @@ pub struct NodeInfo {
 
 /// The status changes of a shard as following:
 ///
-///```plaintext
+/// ```plaintext
 ///   ┌────┐
 ///   │Init│
 ///   └──┬─┘

query_frontend/src/promql/convert.rs

@@ -85,11 +85,11 @@ impl TryFrom<OperandPb> for Expr {
                         query_range: TimeRange::new_unchecked(
                             Timestamp::new(start),
                             Timestamp::new(end + 1),
-                        ), /* [start, end] */
+                        ), // [start, end]
                         align_range: TimeRange::new_unchecked(
                             Timestamp::new(align_start),
                             Timestamp::new(align_end + 1),
-                        ), /* [align_start, align_end] */
+                        ), // [align_start, align_end]
                         step,
                         range,
                         offset,

rustfmt.toml

@@ -25,6 +25,9 @@ reorder_impl_items = true
 # Discard existing import groups, and create three groups for std, external crates, crates
 group_imports = "StdExternalCrate"
 
+normalize_comments = true
+normalize_doc_attributes = true
+
 ignore = [
     "proto",
 ]