C# (CSharp) IContractRepo примеры использования

Пример #1

 public ContractController(IContractRepo _contractRepo)
 {
     contractRepo = _contractRepo;
 }

Пример #2

 public ContractManager(IContractRepo contractRepo)
 {
     _contractRepo = contractRepo;
 }

Пример #3

 public ContractManager(IContractRepo repo)
 {
     _repo = repo;
 }