import structure.*;

/**
 * This module includes the functions necessary to keep track of the creatures
 * in a two-dimensional world. In order for the design to be general, the
 * interface adopts the following design:
 * <p>1. The contents are unspecified objects.
 * <p>2. The dimensions of the world array are specified by the client.
 * <p>
 * There are many ways to implement this structure. HINT: look at the
 * structure.Matrix class. You should need to add no more than about ten lines
 * of code to this file.
 */

public class World {

	/**
	 * This function creates a new world consisting of width columns and height
	 * rows, each of which is numbered beginning at 0. A newly created world
	 * contains no objects.
	 */
	public World(int w, int h) {
	}

	/**
	 * Returns the height of the world.
	 */
	public int height() {
		Assert.fail("Implement me.");
		return -1;
	}

	/**
	 * Returns the width of the world.
	 */
	public int width() {
		Assert.fail("Implement me.");
		return -1;
	}

	/**
	 * Returns whether pos is in the world or not. @pre pos is a non-null
	 * position. @post returns true if pos is an (x,y) location in the bounds of
	 * the board.
	 */
	boolean inRange(Position pos) {
		Assert.fail("Implement me.");
		return false;
	}

	/**
	 * Set a position on the board to contain c. @pre pos is a non-null position
	 * on the board.
	 */
	public void set(Position pos, Object c) {
		Assert.fail("Implement me.");
	}

	/**
	 * Return the contents of a position on the board. @pre pos is a non-null
	 * position on the board.
	 */
	public Object get(Position pos) {
		Assert.fail("Implement me.");
		return null;
	}

	public static void main(String s[]) {

		/* test everything here ... */

	}

}