#2995: ghc -Wall does not complain about unnecessary data constructor imports
---------------------------------+------------------------------------------
Reporter: EyalLotem | Owner:
Type: bug | Status: new
Priority: normal | Milestone: 6.12 branch
Component: Compiler | Version: 6.10.1
Severity: minor | Resolution:
Keywords: | Difficulty: Unknown
Testcase: | Os: Unknown/Multiple
Architecture: Unknown/Multiple |
---------------------------------+------------------------------------------
Changes (by igloo):
* difficulty: => Unknown
* milestone: => 6.12 branch
Old description:
> If it is enough to import:
>
> import SomeModule(SomeType)
>
> Then ghc should complain (warn) when importing:
>
> import SomeModule(SomeType(..))
>
> or:
>
> import SomeModule(SomeType(SomeConstructor))
>
> But it doesn't output any complaint or warning.
New description:
If it is enough to import:
{{{
import SomeModule(SomeType)
}}}
Then ghc should complain (warn) when importing:
{{{
import SomeModule(SomeType(..))
}}}
or:
{{{
import SomeModule(SomeType(SomeConstructor))
}}}
But it doesn't output any complaint or warning.
Comment:
thanks for the report
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2995#comment:1>
GHC <http://www.haskell.org/ghc/>
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