Function HasAnyRailTypesAvail

src/rail.cpp:78–83

* Test if any buildable railtype is available for a company. * @param company the company in question * @return true if company has any RailTypes available */

 * @return true if company has any RailTypes available
 */
bool HasAnyRailTypesAvail(const CompanyID company)
{
	RailTypes avail = Company::Get(company)->avail_railtypes;
	avail.Reset(_railtypes_hidden_mask);
	return avail.Any();
}

/**
 * Validate functions for rail building.