type:board() {
  grid = \list(" " * 80) * 24;
}

func:generate() {
  board = board();

  side1 = {n : \and(n,2) == 0, 0 <= n < 16, n \in \N};
  side2 = {n : \and(n,2) == 2, 0 <= n < 16, n \in \N};

  side1 ~= \order -> \list -> \shuffle;
  side2 ~= \order -> \list -> \shuffle;

  \for(room, [6,11] ~ \random -> \range) {
    chunkNum = (room % 2 == 0 ? \pop(side1) : \pop(side2));
    chunkPoint = 20 * (chunkNum % 4) + 5 * (chunkNum / 4)i;
    randomPoint = \random(20) + \re(chunkPoint) + (\random(5) + \im(chunkPoint))i;

    \for(edge, \slices(roomPoints << roomPoints[0])) {
      point1, point2 = edge;

->

    \for[point1, point2](\slices(roomPoints << roomPoints[0])){

import std.algorithm : map, remove;
import std.complex;
import std.conv : to;
import std.random : randomShuffle, uniform;
import std.stdio : write, writeln;

enum CornerMode {
  UP, DOWN
}

public class Board {
  public char[80][24] grid; // grid of 80 points ((0,0) to (79,79)). Origin is in the upper left corner.

  public static Board generate() {
    Board board = new Board();

    /* We split the screen into 19x4 chunks (with 1x4 and 19x1 "dead space" pockets between them). */
    auto side1 = [0, 1, 4, 5, 8, 9, 12, 13]; // left side of the screen