## Function: SB-INTROSPECT::MAP-ALLOCATED-CODE-COMPONENTS [![package](https://img.shields.io/badge/Package-SB--INTROSPECT-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/contrib/sb-introspect/introspect.lisp/) > Call FN for each allocated code component in one of SPACES. FN > receives the object and its size as arguments. SPACES should be a > list of the symbols :dynamic, :static, :read-only, or :immobile on > #+immobile-space ### Lambda list ```cl (sb-introspect::spaces sb-introspect::fn) ```