#7445: template-haskell : need a good error message instead of just an
unexplained
panic
-------------------------------+--------------------------------------------
Reporter: erikd | Owner:
Type: bug | Status: new
Priority: normal | Component: Template Haskell
Version: 7.6.1 | Keywords:
Os: Unknown/Multiple | Architecture: Unknown/Multiple
Failure: Compile-time crash | Blockedby:
Blocking: | Related:
-------------------------------+--------------------------------------------
Comment(by erikd):
Found the problem, for ```QuasiArith.hs``` I had:
{{{
module QuasiArith
( eval
, expr
) where
}}}
If I change the module declaration to:
{{{
module QuasiArith where
}}}
it no longer panics and in fact even works and generates the correct
result.
I'm not sure what was causing it to fail. I tried exporting all top level
functions and values in ```QuasiArith.hs``` and it still failed.
Would in be sensible to disallow restricted exports for all files that
import ```Language.Haskell.TH.Quote```?
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7445#comment:3>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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