gossi\codegen\parser\FileParser::hasVisitor PHP Method

    public function hasVisitor(ParserVisitorInterface $visitor)
    {
        return $this->visitors->contains($visitor);
    }

 public function testVisitors()
 {
     $struct = new PhpClass();
     $visitor = new ClassParserVisitor($struct);
     $parser = new FileParser('dummy-file');
     $parser->addVisitor($visitor);
     $this->assertTrue($parser->hasVisitor($visitor));
     $parser->removeVisitor($visitor);
     $this->assertFalse($parser->hasVisitor($visitor));
 }