sub flatten { $_[0]->type, @{$_[0]->data} }
+sub is_success { $_[0]->type eq 'success' }
+
sub get {
my ($self) = @_;
- $self->throw unless $self->type eq 'success';
+ $self->throw unless $self->is_success;
return wantarray ? @{$self->data} : $self->data->[0];
}