bingo-soft / graphp

src/edge/DefaultEdge.php

Spacing +1 added lines, -1 removed lines

@@ -87,6 +87,6 @@
      */
     public function __toString(): string
     {
-        return "(" . $this->sourceVertex + " : " + $this->targetVertex + ")";
+        return "(" . $this->sourceVertex + " : " +$this->targetVertex + ")";
     }
 }