private Person ImmutableWith(T4Immutable.WithParam <string> firstName = default(T4Immutable.WithParam <string>), T4Immutable.WithParam <string> lastName = default(T4Immutable.WithParam <string>), T4Immutable.WithParam <int> age = default(T4Immutable.WithParam <int>))
{
return(new Person(
!firstName.HasValue ? this.FirstName : firstName.Value,
!lastName.HasValue ? this.LastName : lastName.Value,
!age.HasValue ? this.Age : age.Value
));
}
public Person With(T4Immutable.WithParam <string> firstName = default(T4Immutable.WithParam <string>), T4Immutable.WithParam <string> lastName = default(T4Immutable.WithParam <string>), T4Immutable.WithParam <int> age = default(T4Immutable.WithParam <int>))
{
return(ImmutableWith(firstName, lastName, age));
}