Function isFlagArg

command.go:750–753

(arg string)

}

func isFlagArg(arg string) bool {
	return ((len(arg) >= 3 && arg[0:2] == "--") ||
		(len(arg) >= 2 && arg[0] == '-' && arg[1] != '-'))
}

// Find the target command given the args and command tree
// Meant to be run on the highest node. Only searches down.