public Result <bool> RemovePhone(Phone phoneToDelete)
{
var errors = new List <string>();
if (phoneToDelete is null)
{
errors.Add(nameof(phoneToDelete));
}
if (Phones.All(phone => !phone.Number.Equals(phoneToDelete.Number, StringComparison.OrdinalIgnoreCase)))
{
errors.Add("Not exists");
}
if (errors.Any())
{
return(Result <bool> .Fail(errors));
}
PhoneInternal.Remove(phoneToDelete);
return(Result <bool> .Success(true));
}