Contents Index

Board

Description

The Board module represents the game board and provides types for board elements.

Synopsis

data Cell = Plain | Water | Wall | Base data Board = Board (Array Point Cell) readBoard :: String -> Board parseBoardLns :: [String] -> (Board, [String]) drawBoard :: Board -> String showBoard :: Board -> String boardSize :: Board -> Point

Documentation

data Cell

A cell on the board may be plain, water, a wall, or a base Constructors Plain Water Wall Base

data Board

The game board is an NxM array of cells Constructors Board (Array Point Cell)

readBoard :: String -> Board

Reads a string representing a board and returns a Board

parseBoardLns

:: [String] input lines -> (Board, [String]) output: board and unused lines Reads a series of lines, creates a Board from the leading lines, and returns the Board and any unused lines

drawBoard :: Board -> String

Renders a boards as a string.

showBoard :: Board -> String

Shows a Board. Note that (readBoard . showBoard) is an identity function for values of type Board. Also note that the board represention that showBoard uses is upside down when viewed. This is according to the challenge task specification. Use drawBoard for a visually correct rendering.

boardSize :: Board -> Point

Returns the size of the game board.

Produced by Haddock version 0.4