code: @Override
  	public void accept(final TransformContext transformContext) {
  		Object value = eval(transformContext);
  
  		transformContext.addSqlPart("?");
  		if (outputBindComment) {
  			transformContext.addSqlPart("/*").addSqlPart(expression).addSqlPart("*/");
  		}
  		transformContext.addBindName(expression);
  		transformContext.addBindVariable(value);
  		pass();
  	}
docs: {@inheritDoc}
  
  @see jp.co.future.uroborosql.node.Node#accept(jp.co.future.uroborosql.parser.TransformContext)