Sha256: 105a43b183648566e0b00e2ced7a2e51039c8b5451a9e445a80bfa51d50eb9f2
Contents?: true
Size: 969 Bytes
Versions: 396
Compression:
Stored size: 969 Bytes
Contents
proc isValid(white, black: tuple[rank, file: int]): bool =
white.rank < 8 and white.rank >= 0 and white.file < 8 and white.file >= 0 and
black.rank < 8 and black.rank >= 0 and black.file < 8 and black.file >= 0
proc validate(white, black: tuple[rank, file: int]): void =
if not isValid(white, black) or white == black:
raise newException(ValueError, "Invalid positions")
proc board*(white, black: tuple[rank, file: int]): seq[string] =
validate(white, black)
var board: seq[string] = @[]
for rank in 0..7:
board.add("")
for file in 0..7:
if white == (rank, file):
board[rank] &= 'W'
elif black == (rank, file):
board[rank] &= 'B'
else:
board[rank] &= '_'
board
proc canAttack*(white, black: tuple[rank, file: int]): bool =
validate(white, black)
let rankDiff = abs(white.rank - black.rank)
let fileDiff = abs(white.file - black.file)
rankDiff == fileDiff or rankDiff * fileDiff == 0
Version data entries
396 entries across 396 versions & 1 rubygems