[project @ 2001-05-03 09:32:48 by simonpj]

[ghc-hetmet.git] / ghc / compiler / types / Class.lhs

diff --git a/ghc/compiler/types/Class.lhs b/ghc/compiler/types/Class.lhs
index 3ecb8f8..2b7ce52 100644 (file)
--- a/ghc/compiler/types/Class.lhs
+++ b/ghc/compiler/types/Class.lhs
@@ -10,7 +10,8 @@ module Class (
 
        mkClass, classTyVars, classArity,
        classKey, className, classSelIds, classTyCon,
-       classBigSig, classExtraBigSig, classTvsFds, classSCTheta
+       classBigSig, classExtraBigSig, classTvsFds, classSCTheta,
+       classHasFDs
     ) where
 
 #include "HsVersions.h"
@@ -113,6 +114,9 @@ classExtraBigSig (Class {classTyVars = tyvars, classFunDeps = fundeps,
                         classSCTheta = sc_theta, classSCSels = sc_sels,
                         classOpStuff = op_stuff})
   = (tyvars, fundeps, sc_theta, sc_sels, op_stuff)
+
+classHasFDs :: Class -> Bool
+classHasFDs (Class {classFunDeps = fundeps}) = not (null fundeps)
 \end{code}