bingo-soft / graphp

src/graph/GraphUtils.php

Spacing +1 added lines, -1 removed lines

@@ -207,7 +207,7 @@
         } elseif ($vertex->equals($target)) {
             return $source;
         } else {
-            throw new InvalidArgumentException("no such vertex: " + $vertex);
+            throw new InvalidArgumentException("no such vertex: " +$vertex);
         }
     }