#5406: Template Haskell: Reification of type family instances
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Reporter: reinerp | Owner:
Type: feature request | Status: new
Priority: normal | Milestone:
Component: Template Haskell | Version: 7.0.4
Keywords: | Testcase:
Blockedby: | Difficulty:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: None/Unknown
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Comment(by simonpj):
Sorry I should have been clearer. The `Dec` returned by `reifyInstances`
would always
* Be a suitable instance `Dec`, depending on the `Name` you are reifying
(eg an `InstanceD` if you reify a class)
* Have an empty list of sub-`Dec`s. For a class, the `[Dec]` inside the
`InstanceD` would be empty.
Using a `Dec` for this purpose is just convenience. One could invent a
new data type specifically for instances -- but `Dec` is very convenient!
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5406#comment:3>
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The Glasgow Haskell Compiler
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