package knights_tour

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in-package search v0.2.0

knights_tour
- Knights_tour
  - Fun
  - Game
    
    Board
    
    GameState
  - Lines
  - Point
    
    Set
  - PointMap
  - Searchspace
  - Treequence
knights_tour.pentominos
- Pentominos
  - Board
  - PointSet
  - Polyomino
  - Puzzle
  - Randomize

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Module
Module type
Parameter
Class
Class type

A polyomino puzzle consists of a board and a set of polyomino pieces to be placed onto the board. The puzzle is considered solved when all pieces have been placed.

type t = {

pieces : Polyomino.t list;
(*
pieces remaining to be placed
*)
board : Board.t;
(*
board upon which to place the pieces. For a (partially) solved puzzle it tracks what piece occupies each square.
*)

}

Data type representing the state of a puzzle.

val classic : t

The initial state of the 'classic' Pentominos puzzle.

val classic_no_symmetric_solutions : t

Same as the 'classic' puzzle, but one assymetric puzzle piece deliberately has all but one of its variants removed (this ensures that symmetric solutions are eliminated, by not allowing that one piece to only be used in one orientation)

val solve : 
  ?report_progress:(string -> t -> unit) ->
  t ->
  Board.t Knights_tour.Searchspace.t

val save : out_channel -> t -> unit

Write a textual representation of a puzzle to a channel. The format is human readable; but it can also be used to restore a puzzle via the load function.

val save_fmt : Format.formatter -> t -> unit

Write a textual representation of a puzzle to a formatter. The format is human readable; but it can also be used to restore a puzzle via the load function.

val load : in_channel -> t

Load a puzzle from a textual representation as produced by save.

val load_lines : Knights_tour.Lines.t -> t

Load a puzzle from a textual representation as produced by save.