pub trait CanExtractCommandArg<Arg>: HasCommandArgType {
// Required method
fn extract_command_arg(
&self,
_phantom: PhantomData<Arg>,
) -> Self::CommandArg;
}pub trait CanExtractCommandArg<Arg>: HasCommandArgType {
// Required method
fn extract_command_arg(
&self,
_phantom: PhantomData<Arg>,
) -> Self::CommandArg;
}