#1577: Give TH the ability to get the info for a class name
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Reporter: [EMAIL PROTECTED] | Owner:
Type: feature request | Status: new
Priority: normal | Milestone:
Component: Template Haskell | Version: 6.6.1
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Os: Unknown | Testcase:
Architecture: Unknown |
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Comment (by [EMAIL PROTECTED]):
In the following code with Foo a class name(i.e. class Foo x y zwhere...)
that is is imported from another module:
{{{a = $(do info <- reify (Name (mkOccName "Foo") NameS)
() <- trace (show info) (return ())
(liftM (LitE . StringL) currentModule))}}}
The problem is that whatever I try, I don't get an info value. I basically
guessed the NameS constructor, since I don't know what the "S" stands for.
So, the problem is getting access to the Info value. I am either reifying
the wrong thing or this feature simply does not work.
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1577>
GHC <http://www.haskell.org/ghc/>
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