Expand description
command is a module about command
Modules
Presets of Command
Structs
The struct for command information store and command execution
This can be root and edge
コマンドの情報格納＆実行用構造体です。root（根）にもedge（葉）にもなりえます。
License shows license information
Traits
Trait for implementation Run function.
Type Definitions
LicenseFunc shows type alias for license function