Source of getEntry.cpp

Structures and functions

  1: //  Created by Frank M. Carrano and Timothy M. Henry.
  2: //  Copyright (c) 2017 Pearson Education, Hoboken, New Jersey.

  4: template<class ItemType>
  5: ItemType ArrayList<ItemType>::getEntry(int position) const throw(PrecondViolatedExcept)
  6: {
  7:    // Enforce precondition
  8:    bool ableToGet = (position >= 1) && (position <= itemCount);
  9:    if (ableToGet)
 10:       return items[position];
 11:    else
 12:    {
 13:       std::string message = "getEntry() called with an empty list or ";
 14:       message  = message + "invalid position.";
 15:       throw(PrecondViolatedExcept(message));
 16:    }  // end if
 17: }  // end getEntry