Trip->polyline: optionally fall back to beeline between stops

}

sub polyline {

	my ($self) = @_;

	my ( $self, %opt ) = @_;

	if ( $opt{fallback} and not @{ $self->{polyline} // [] } ) {

		return map { $_->{latlon} } $self->route;

	}

	return @{ $self->{polyline} // [] };

}