* Allow the calculation of bytes and int.
* fix clippy.
* minimal implement the into_into command.
* Revert "fix clippy."
This reverts commit 0d7cf72ed2.
* Revert "Allow the calculation of bytes and int."
This reverts commit 9c4e3787f5.
* set the argument to any type.
* if the argument is an int, return it with no change in value.
* add tests for into-int command.
* fix a faild test.
