RectGrid.opApply - multiple declarations

Prototype

int opApply(
  int delegate(ref RectGrid.TileType) fn
);

Example

foreach with coords

auto myGrid = rectGrid([
  [ 00, 01, 02, 03, 04 ],
  [ 10, 11, 12, 13, 14 ],
  [ 20, 21, 22, 23, 24 ],
]);

int[] actual;
foreach(tile ; myGrid) { actual ~= tile; }

assert(actual == [
    00, 01, 02, 03, 04,
    10, 11, 12, 13, 14,
    20, 21, 22, 23, 24]);

Prototype

int opApply(
  int delegate(RowCol, ref RectGrid.TileType) fn
);

Example

foreach with coords

auto myGrid = rectGrid([
  [ 00, 01, 02, 03, 04 ],
  [ 10, 11, 12, 13, 14 ],
  [ 20, 21, 22, 23, 24 ],
]);

foreach(coord, tile ; myGrid) {
  assert(tile == coord.row * 10 + coord.col);
}