diff options
Diffstat (limited to 'compiler/GHC/Types/Var/Env.hs')
| -rw-r--r-- | compiler/GHC/Types/Var/Env.hs | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/compiler/GHC/Types/Var/Env.hs b/compiler/GHC/Types/Var/Env.hs index 55ea2a0dda..3ad0f10156 100644 --- a/compiler/GHC/Types/Var/Env.hs +++ b/compiler/GHC/Types/Var/Env.hs @@ -456,7 +456,7 @@ delTidyEnvList (occ_env, var_env) vs = (occ_env', var_env') {- ************************************************************************ * * -\subsection{@VarEnv@s} + VarEnv * * ************************************************************************ -} @@ -565,7 +565,13 @@ modifyVarEnv_Directly mangle_fn env key Nothing -> env Just xx -> addToUFM_Directly env key (mangle_fn xx) --- Deterministic VarEnv +{- +************************************************************************ +* * + Deterministic VarEnv (DVarEnv) +* * +************************************************************************ +-} -- See Note [Deterministic UniqFM] in GHC.Types.Unique.DFM for explanation why we need -- DVarEnv. |