Sudoku.Type

Defines the data types and constructors regarding sudokus.

Documentation

data Sudoku

The data type representing a single sudoku board.

Instances

Show Sudoku

Methods

showsPrec :: Int -> Sudoku -> ShowS

show :: Sudoku -> String

showList :: [Sudoku] -> ShowS

data Difficulty

Representing the difficulty level of a sudoku.

Constructors

Easy

Medium

Hard

Evil

Instances

Enum Difficulty

Methods

succ :: Difficulty -> Difficulty

pred :: Difficulty -> Difficulty

toEnum :: Int -> Difficulty

fromEnum :: Difficulty -> Int

enumFrom :: Difficulty -> [Difficulty]

enumFromThen :: Difficulty -> Difficulty -> [Difficulty]

enumFromTo :: Difficulty -> Difficulty -> [Difficulty]

enumFromThenTo :: Difficulty -> Difficulty -> Difficulty -> [Difficulty]

Eq Difficulty

Methods

(==) :: Difficulty -> Difficulty -> Bool

(/=) :: Difficulty -> Difficulty -> Bool

Read Difficulty

Methods

readsPrec :: Int -> ReadS Difficulty

readList :: ReadS [Difficulty]

readPrec :: ReadPrec Difficulty

readListPrec :: ReadPrec [Difficulty]

Show Difficulty

Methods

showsPrec :: Int -> Difficulty -> ShowS

show :: Difficulty -> String

showList :: [Difficulty] -> ShowS

boardsize :: Int

The side-length of the sudoku.

boxsize :: Int

The side-length of boxes in the sudokus.

cellvals :: [Char]

The symbols which can be inserted into sudokus.

blankval :: Char

The symbol representing an empty field.

fromString :: String -> Maybe Sudoku

Creates a sudoku from a valid string.

toString :: Sudoku -> String

Returns the string representation of a sudoku.