[GitHub] [incubator-kvrocks] torwig commented on a diff in pull request #1218: Add integer parsing with unit support

[GitBox <gi...@apache.org>]

torwig commented on code in PR #1218:
URL: https://github.com/apache/incubator-kvrocks/pull/1218#discussion_r1063986175


##########
src/common/parse_util.cc:
##########
@@ -0,0 +1,53 @@
+/*
+ * 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.
+ *
+ */
+
+#include "parse_util.h"
+
+#include <limits>
+
+// num << bit <= MAX  ->  num <= MAX >> bit
+template <typename T, typename U>
+StatusOr<T> CheckedShl(T num, U bit) {

Review Comment:
   Is it better to name it as `CheckedShiftL` (to describe the main operation which is a **shift** and stress on the letter `L`) or even `CheckedShiftLeft`?



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