code: public function cast($mapperName,$value){
  		if(!class_exists($mapperName)){			
  			throw new MapperNotFoundException($mapperName);
  		}
  
          /**
           * @var MapperAbstract $mapper
           */
  		$mapper=new $mapperName($this->container);
  		return $mapper->cast($value);
  	}
docs: Cast value
  
  @param string $mapperName - class with implements mapped code eg: "ItePHP\Mapper\Text"
  @param mixed $value - value to cast
  @return mixed
  @throws MapperNotFoundException