Function ValParamRailType

src/rail.cpp:90–93

* Validate functions for rail building. * @param rail the railtype to check. * @return true if the current company may build the rail. */

 * @return true if the current company may build the rail.
 */
bool ValParamRailType(const RailType rail)
{
	return rail < RAILTYPE_END && HasRailTypeAvail(_current_company, rail);
}

/**
 * Add the rail types that are to be introduced at the given date.