example.go

type IGenericType interface {
  GetName() string
}

type GenericTypeRepository struct {
  NativeType IGenericType
}

func (r *GenericTypeRepository) FindAll() (*[]IGenericType, error) {
  var types []r.NativeType
  // How can I make this var be whatever type is specified when instantiating the GenericTypeRepository
}

// Type A implements IGenericType
type A struct {
  Name string
}

func (a *A) GetName() string {
  return a.Name
}

// Instantiation of GenericTypeRepository
repo := &GenericTypeRepository{ NativeType: A }