Refactored isPinned()

programarivm · programarivm · commit d86d9a6e3722 · 2024-09-27T20:14:34.000+02:00
diff --git a/src/Variant/AbstractBoard.php b/src/Variant/AbstractBoard.php
@@ -470,9 +470,7 @@ protected function isPinned(AbstractPiece $piece): bool
     {
         $clone = $this->clone();
         if ($clone->move($piece)) {
-            if ($king = $clone->piece($piece->color, Piece::K)) {
-                return !empty($king->attacking());
-            }
+            return !empty($clone->piece($piece->color, Piece::K)?->attacking());
         }
 
         return false;

Original file line number	Diff line number	Diff line change
`@@ -470,9 +470,7 @@ protected function isPinned(AbstractPiece $piece): bool`
`470`	`470`	`{`
`471`	`471`	`$clone = $this->clone();`
`472`	`472`	`if ($clone->move($piece)) {`
`473`		`- if ($king = $clone->piece($piece->color, Piece::K)) {`
`474`		`- return !empty($king->attacking());`
`475`		`- }`
	`473`	`+ return !empty($clone->piece($piece->color, Piece::K)?->attacking());`
`476`	`474`	`}`
`477`	`475`
`478`	`476`	`return false;`