diff options
Diffstat (limited to 'compiler/GHC/Core')
| -rw-r--r-- | compiler/GHC/Core/Class.hs | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/compiler/GHC/Core/Class.hs b/compiler/GHC/Core/Class.hs index 9ad470e9da..1b46f66fca 100644 --- a/compiler/GHC/Core/Class.hs +++ b/compiler/GHC/Core/Class.hs @@ -17,8 +17,8 @@ module GHC.Core.Class ( mkClass, mkAbstractClass, classTyVars, classArity, classKey, className, classATs, classATItems, classTyCon, classMethods, classOpItems, classBigSig, classExtraBigSig, classTvsFds, classSCTheta, - classAllSelIds, classSCSelId, classSCSelIds, classMinimalDef, classHasFds, - isAbstractClass, + classHasSCs, classAllSelIds, classSCSelId, classSCSelIds, classMinimalDef, + classHasFds, isAbstractClass, ) where import GHC.Prelude @@ -295,6 +295,9 @@ classSCTheta (Class { classBody = ConcreteClass { cls_sc_theta = theta_stuff }}) = theta_stuff classSCTheta _ = [] +classHasSCs :: Class -> Bool +classHasSCs cls = not (null (classSCTheta cls)) + classTvsFds :: Class -> ([TyVar], [FunDep TyVar]) classTvsFds c = (classTyVars c, classFunDeps c) |