Skip to the content

Kazu数

Generate checked Sudoku and logic puzzles, read native rules and hints, and draw or embed playable boards.

Kazu is the Japanese word 数 for number. About the name

Contents

Reference · Regions rules

setRegionsCellfunction

Apply the requested native Regions entry or mark to a new immutable game; invalid or fixed targets stay unchanged.

Import it

import { setRegionsCell } from "@johnmorrisdotca/kazu/regions";

Also exported from: @johnmorrisdotca/kazu

Definition

function setRegionsCell(game: RegionsGame, cell: number, value: number): RegionsGame

Parameters

NameTypeDescription
gameRegionsGame

The current immutable game state.

cellnumber

A zero-based row-major cell index.

valuenumber

A candidate board, digit, mark or encoded game specified by this signature.

Returns

RegionsGame

Apply the requested native Regions entry or mark to a new immutable game; invalid or fixed targets stay unchanged.

Examples

import type { RegionsBoard } from "@johnmorrisdotca/kazu/regions";
import { newRegions, setRegionsCell } from "@johnmorrisdotca/kazu/regions";

const regionsBoard: RegionsBoard = {"width":5,"height":5,"givens":[0,0,2,0,3,2,0,3,0,0,0,3,0,0,1,3,1,0,1,2,3,3,4,0,0]};
const regionsGame = newRegions(regionsBoard);
console.log(setRegionsCell(regionsGame,0,1));
{
  board: {
    width: 5,
    height: 5,
    givens: [
      0, 0, 2, 0, 3, 2, 0, 3,
      0, 0, 0, 3, 0, 0, 1, 3,
      1, 0, 1, 2, 3, 3, 4, 0,
      0
    ]
  },
  entries: [
    1, 0, 2, 0, 3, 2, 0, 3,
    0, 0, 0, 3, 0, 0, 1, 3,
    1, 0, 1, 2, 3, 3, 4, 0,
    0
  ],
  history: [
    [
      0, 0, 2, 0, 3, 2, 0, 3,
      0, 0, 0, 3, 0, 0, 1, 3,
      1, 0, 1, 2, 3, 3, 4, 0,
      0
    ]
  ],
  helped: false
}

What it prints (run when this page was built)

View sourceEdit on GitHubMade from the source of @johnmorrisdotca/kazu 2.1.0.