New returns a new mechanical greg.

NewAuthError returns a populated AuthError.

NewConstraintError returns an initialized constriant error.

NewInternalError returns an internal error structure initialized and populated.

AuthError is returned when authentication information on login is incorrect.

ConstraintError is used to handle errors that result from invalid or unsatisfiable constraints.

InternalError is used to type errors that are beyond the scope of other errors and signify an immediate abort in processing.

MechanicalGreg is a convenience type that binds all the methods of the abstraction together.

ResourceBundle is a type for bundling up resources that should be handed off for management by a mechgreg instance.