[ISSUE #309]✨Add rocketmq-cmd crate

Author: mxsm

Cargo.toml

@@ -2,6 +2,7 @@
 members = [
     "rocketmq",
     "rocketmq-broker",
+    "rocketmq-cmd",
     "rocketmq-common",
     "rocketmq-filter",
     "rocketmq-macros",

rocketmq-cmd/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "rocketmq-cmd"
+version.workspace = true
+authors.workspace = true
+edition.workspace = true
+homepage.workspace = true
+repository.workspace = true
+license.workspace = true
+keywords.workspace = true
+readme.workspace = true
+description.workspace = true
+
+[dependencies]

rocketmq-cmd/src/lib.rs

@@ -0,0 +1,31 @@
+/*
+ * 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.
+ */
+
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}