## Function: SB-PCL::OPTIMIZE-INSTANCE-ACCESS [![package](https://img.shields.io/badge/Package-SB--PCL-5f9ea0.svg?style=social&colorA=999999)](../) [![type](https://img.shields.io/badge/Type-Function-5f9ea0.svg?style=social&colorA=999999)](../#function) [![github](https://img.shields.io/badge/GitHub-View_the_source-5f9ea0.svg?style=social&colorA=999999&logo=github)](https://github.com/sbcl/sbcl/blob/master/src/pcl/vector.lisp/) > No description. ### Lambda list ```cl (sb-pcl::slots sb-pcl::read/write sb-pcl::sparameter sb-pcl::slot-name sb-pcl::new-value &optional sb-pcl::safep) ```