import { command } from "https://deno.land/x/feomasto@v1.0.1/priv/deps.ts";
const { Command } = command;
Set command callback method.
Parameters
fn: ActionHandler<TCommandOptions, TCommandArguments, TCommandGlobals, TParentCommandGlobals, TCommandTypes, TCommandGlobalTypes, TParentCommandTypes, TParentCommand>
Command action handler.