[GHC] #1480: Template Haskell should allow reification of modules

[GHC]

#1480: Template Haskell should allow reification of modules
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        Reporter:  igloo    |            Owner:
            Type:  feature  |           Status:  closed
  request                   |        Milestone:  7.8.1
        Priority:  highest  |          Version:  7.7
       Component:           |         Keywords:
  Template Haskell          |     Architecture:  Unknown/Multiple
      Resolution:  fixed    |       Difficulty:  Moderate (less than a day)
Operating System:           |       Blocked By:
  Unknown/Multiple          |  Related Tickets:
 Type of failure:           |
  None/Unknown              |
       Test Case:           |
        Blocking:  8398     |
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Comment (by simonmar):

 Regarding `mi_usages`, it does contain all the direct imports, and you can
 tell which entries are direct imports by the `usg_exports` field, which is
 `Just` for a direct import and `Nothing` otherwise.  There are more
 comments on the `Usages` type, but feel free to reorganise the comments.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/1480#comment:20>
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