How to disable warning for "export item 'module ...' exports nothing"?

Sean Leather leather at
Thu Aug 14 13:27:08 EDT 2008


I have a module A that re-exports module B, and module B contains only class
instances. Since I'm using -Wall, I get this warning about module B
exporting nothing. Is there a way to disable this particular warning, since
it is unnecessary in this case? No mailing list messages or GHC
documentation has told me what to do.

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