Hello, 2010/5/21 Hans Ole Rafaelsen <hrafael...@gmail.com>
> When packing a set of modules into a top module using -pack, is there a way > to have some of the modules private to the package? > > If I have the modules Helper, Foo and Bar. Helper provides helper functions > used by Foo and Bar. When I'm packing them into a top mudule P, I do not > want to expose the functions of Helper to users of P. > > Is there some way to achieve this? If not, do anyone know of other ways > for packing libraries and keeping some of the modules private to the > library? > Just write yourself a file p.mli without your private modules: === p.mli === module Foo : ... module Bar : ... ========== Of course, you can not refer to signatures of modules Foo and Bar in p.mli. Thus you have to duplicate them or, better, to write them somewhere outside the package. >From a compilation point of view, be sure to generate p.cmi by using p.mli before generating the pack files p.cm[ox]. We use such a trick in the Frama-C tool (http://frama-c.com) for providing (usually empty) interfaces of its plug-ins. But I do not recommend you to read the Frama-C Makefiles for looking at the corresponding compilation lines (except if you are **very** motivated). Hope this helps, Julien
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