-
+%
+% (c) The University of Glasgow 2006
% (c) The GRASP/AQUA Project, Glasgow University, 1992-1998
%
-\section[MatchCon]{Pattern-matching constructors}
+
+Pattern-matching constructors
\begin{code}
module MatchCon ( matchConFamily ) where
import {-# SOURCE #-} Match ( match )
-import HsSyn ( Pat(..), LPat, HsConDetails(..) )
-import DsBinds ( dsLHsBinds )
-import DataCon ( DataCon, dataConInstOrigArgTys, dataConEqSpec,
- dataConFieldLabels, dataConSourceArity )
-import TcType ( tcTyConAppArgs )
-import Type ( mkTyVarTys )
+import HsSyn
+import DsBinds
+import DataCon
+import TcType
+import Type
import CoreSyn
import DsMonad
import DsUtils
-import Id ( Id, idName )
-import Type ( Type )
-import SrcLoc ( unLoc, Located(..) )
+import Id
+import SrcLoc
import Outputable
\end{code}
-- mk_pat picks a WildPat of the appropriate type for absent fields,
-- and the specified pattern for present fields
mk_pat lbl arg_ty
- = case [ pat | (sel_id,pat) <- rpats, idName (unLoc sel_id) == lbl] of
+ = case [ pat | HsRecField sel_id pat _ <- rpats, idName (unLoc sel_id) == lbl ] of
(pat:pats) -> ASSERT( null pats ) unLoc pat
[] -> WildPat arg_ty
\end{code}