zhjwpku commented on code in PR #4:
URL: https://github.com/apache/iceberg-cpp/pull/4#discussion_r1879216891


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+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+---
+BasedOnStyle: Google
+ColumnLimit: 90
+DerivePointerAlignment: false
+IncludeBlocks: Preserve

Review Comment:
   I plan to make the following changes after we reached a consensus.
   
   ```
   -IncludeBlocks: Preserve
   +IncludeBlocks: Regroup
   +IncludeCategories:
   +- Regex: '^<.*/' # Like <boost/lexical_cast.hpp>
   +  Priority: 3
   +- Regex: '^<.*\.' # Like <fcntl.h>
   +  Priority: 1
   +- Regex: '^<' # Like <vector>
   +  Priority: 2
   +- Regex: '^"' # Like "util/auth-util.h"
   +  Priority: 4
   ```
   
   Before I push a new commit, I'd like to explain why I think this makes sense.
   
   I did a experiment, `Regroup` seems to be the default setting if we don't 
specify a `IncludeBlocks` setting, I put it here explicitly because I think 
it's more clear for the readers. With the `IncludeCategories` settings, the 
following:
   
   ```
   #include <iostream>
   #include <string>
   
   #include <boost/lexical_cast.hpp>
   
   #include "util/auth-util.h"
   
   #include <vector>
   
   #include <fcntl.h>
   
   #include "demo_table.h"
   ```
   
   goes to:
   
   ```
   #include "demo_table.h"
   
   #include <fcntl.h>
   
   #include <iostream>
   #include <string>
   #include <vector>
   
   #include <boost/lexical_cast.hpp>
   
   #include "util/auth-util.h"
   ```
   
   It's slightly different from Impala's setting because I think putting the 
`Regex` as the first line of each rule is more readable, "If match this regex, 
then goes priority xxx".
   
   What do you think about this proposal? @gaborkaszab @pitrou @Fokko @wgtmac 
@raulcd 
   



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