" ... It must be observed in this case that the respondent did not terminate the contract of employment of any of these applicants by notice. It is true that it committed a fundamental breach but this put the applicants to their election either to accept the repudiation and terminate their contracts or to have the contracts in existence and sue for damages as advised. Three of the applicants [ these appellants ], as we have heard, accepted the repudiation by resignation but that does not mean that the respondent was thereby in breach of an obligation in the contract to give a fixed period of notice. It did not terminate those contracts. ..."