pub fn are_the_same(
  position1: Position,
  position2: Position,
) -> Bool

pub fn distance_between(
  position1: Position,
  position2: Position,
) -> Int

pub fn file_to_int(file: File) -> Int

pub fn file_to_string(file: File) -> String

pub fn from_int(i: Int) -> Option(Position)

pub fn get_file(file: File, y: Int) -> File

pub fn get_file_relative(
  file: File,
  y: Int,
  relative_to: Color,
) -> File

pub fn get_position(
  position: Position,
  x: Int,
  y: Int,
) -> Position

pub fn get_position_relative(
  position: Position,
  x: Int,
  y: Int,
  relative_to: Color,
) -> Position

pub fn get_rank(rank: Rank, x: Int) -> Rank

pub fn get_rank_relative(
  rank: Rank,
  x: Int,
  relative_to: Color,
) -> Rank

pub fn get_rear_black_rank(rank: Rank) -> Rank

pub fn get_rear_position(
  position: Position,
  color: Color,
) -> Position

pub fn get_rear_rank(rank: Rank, color: Color) -> Rank

pub fn get_rear_white_rank(rank: Rank) -> Rank

pub fn int_to_file(i: Int) -> File

pub fn int_to_rank(i: Int) -> Rank

pub fn rank_to_int(rank: Rank) -> Int

pub fn rank_to_string(rank: Rank) -> String

pub fn to_bitboard(position: Position) -> Bitboard

pub fn to_int(position: Position) -> Int

pub fn to_string(position: Position) -> String