chess: code reformatting

chess.nim

@@ -343,7 +343,8 @@ proc gen_pawn_double_dests(game: Game, field: int, color: Color): seq[int] =
     for doubles in Pawn_Moves_White_Double:
       dest = field + doubles * ord(color)
       target = game.pieces.get_field(dest)
-      if (game.moved.get_field(field) or (target != 0) or (game.pieces.get_field(dest+(S*ord(color))) != 0)):
+      if (game.moved.get_field(field) or (target != 0) or (
+          game.pieces.get_field(dest+(S*ord(color))) != 0)):
         continue
       res.add(dest)
     return res
@@ -380,8 +381,8 @@ proc piece_on(game: Game, color: Color, sequence: seq[int],
 proc is_attacked(game: Game, position: int, color: Color): bool =
   ## Check if a field is attacked by the opposite of `color` in a `game`.
   var attacked = false
-  attacked = attacked or game.piece_on(color, game.gen_pawn_attack_dests(position,
+  attacked = attacked or game.piece_on(color, game.gen_pawn_attack_dests(
-      color), PawnID)
+      position, color), PawnID)
   attacked = attacked or game.piece_on(color, game.gen_queen_dests(position,
       color), QueenID)
   attacked = attacked or game.piece_on(color, game.gen_king_dests(position,
@@ -615,7 +616,8 @@ proc checked_move*(game: var Game, move: Move): bool {.discardable.} =
         game.pieces.set_field(dest-(N*ord(color)), EnPassantID * ord(color))
       if captured_en_passant:
         game.pieces.set_field(dest-(N*ord(color)), 0)
-      if ((90 < dest and dest < 99) or (20 < dest and dest < 29)) and game.pieces.get_field(dest) == PawnID * ord(color):
+      if ((90 < dest and dest < 99) or (20 < dest and dest < 29)) and
+          game.pieces.get_field(dest) == PawnID * ord(color):
         game.pieces.set_field(dest, prom)
       return true
   except IndexDefect, ValueError: