libcore-kernel-ocaml-dev 113.00.00-3build3 (i386 binary) in ubuntu zesty

 Core is an industrial-strength alternative to the OCaml standard
 library. It was developed by Jane Street, which is the largest
 industrial user of OCaml.
 .
 Core_kernel is the system-independent part of Core. It is aimed for
 cases when the full Core is not available, such as in Javascript.
 .
 This package contains the headers and the OCaml library.