- GRID data structure, lays out data 'cells' on a 2D grid
- grow or shrink grid area in any direction
- access data by cell id, or by cell x/y coords
- cells can contain any data type (even another
Grid)
- cells are stored as a collection, mapped from top left to bottom right
grid.growRight(1); // add a new column to the right
grid.growLeftRight(2); // add two new rows, left and right
grid.growUpDown(3); // add three new rows, two to the top and one to the bottom
grid.get(10); // get value of cell #10
grid.get(5, 4); // get value of cell at intersection of row #5, column #4