#4486: Unable to satisfy "Defined but not used: data constructor" warning
---------------------------------+------------------------------------------
Reporter: mitar | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 6.12.3 | Keywords:
Testcase: | Blockedby:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: None/Unknown
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I am unable to satisfy "Defined but not used: data constructor" warning. I
have defined a data type like:
{{{
data FooBar = FooBar {}
}}}
And if I export `FooBar` then I get ''Defined but not used: data
constructor'' warning. If I export `FooBar(..)` then I get ''The export
item suggests that has (in-scope) constructors or class methods, but it
has none''. How can I export such data type without a warning?
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4486>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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