ObjFW  Diff

 * The returned object is <i>not</i> retained and autoreleased for performance
 * reasons!
 *
 * \return The last object of the array or nil
 */
- (id)lastObject;

/**
 * Returns the objects from the specified index to the specified index as an
 * OFArray.
 *
 * \param start The index where the subarray starts
 * \param end The index where the subarray ends.
 *	      This points BEHIND the last object!
 * \return The subarray as a new autoreleased OFArray
 */
- (OFArray*)objectsFromIndex: (size_t)start
		     toIndex: (size_t)end;

/**
 * Creates a string by joining all objects of the array.
 *
 * \param separator The string with which the objects should be joined
 * \return A string containing all objects joined by the separator
 */
- (OFString*)componentsJoinedByString: (OFString*)separator;