Improve handling of unused imports (test is mod75)

[ghc-hetmet.git] / compiler / basicTypes / RdrName.lhs

diff --git a/compiler/basicTypes/RdrName.lhs b/compiler/basicTypes/RdrName.lhs
index 3766b9f..f1ab0af 100644 (file)
--- a/compiler/basicTypes/RdrName.lhs
+++ b/compiler/basicTypes/RdrName.lhs
@@ -35,7 +35,7 @@ module RdrName (
        Provenance(..), pprNameProvenance,
        Parent(..), 
        ImportSpec(..), ImpDeclSpec(..), ImpItemSpec(..), 
-       importSpecLoc, importSpecModule
+       importSpecLoc, importSpecModule, isExplicitItem
   ) where 
 
 #include "HsVersions.h"
@@ -540,6 +540,10 @@ importSpecLoc (ImpSpec _    item)   = is_iloc item
 importSpecModule :: ImportSpec -> ModuleName
 importSpecModule is = is_mod (is_decl is)
 
+isExplicitItem :: ImpItemSpec -> Bool
+isExplicitItem ImpAll                       = False
+isExplicitItem (ImpSome {is_explicit = exp}) = exp
+
 -- Note [Comparing provenance]
 -- Comparison of provenance is just used for grouping 
 -- error messages (in RnEnv.warnUnusedBinds)