@thi.ng/grid-iterators/row-ends.js

2D grid and shape iterators w/ multiple orderings

import { __opts } from "./utils.js";
function* rowEnds2d(opts) {
  let { cols, rows, tx } = __opts(opts);
  cols--;
  for (let y = 0; y < rows; y++) {
    yield tx(0, y);
    yield tx(cols, y);
  }
}
export {
  rowEnds2d
};