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-rw-r--r--lib/stdlib/src/ms_transform.erl10
1 files changed, 8 insertions, 2 deletions
diff --git a/lib/stdlib/src/ms_transform.erl b/lib/stdlib/src/ms_transform.erl
index 27dfcf52e1..7b6f4e5b50 100644
--- a/lib/stdlib/src/ms_transform.erl
+++ b/lib/stdlib/src/ms_transform.erl
@@ -725,10 +725,10 @@ transform_head([V],OuterBound) ->
th(NewV,NewBind,OuterBound).
-toplevel_head_match({match,Line,{var,_,VName},Expr},B,OB) ->
+toplevel_head_match({match,_,{var,Line,VName},Expr},B,OB) ->
warn_var_clash(Line,VName,OB),
{Expr,new_bind({VName,'$_'},B)};
-toplevel_head_match({match,Line,Expr,{var,_,VName}},B,OB) ->
+toplevel_head_match({match,_,Expr,{var,Line,VName}},B,OB) ->
warn_var_clash(Line,VName,OB),
{Expr,new_bind({VName,'$_'},B)};
toplevel_head_match(Other,B,_OB) ->
@@ -1079,6 +1079,12 @@ normalise({cons,_,Head,Tail}) ->
[normalise(Head)|normalise(Tail)];
normalise({tuple,_,Args}) ->
list_to_tuple(normalise_list(Args));
+normalise({map,_,Pairs0}) ->
+ Pairs1 = lists:map(fun ({map_field_exact,_,K,V}) ->
+ {normalise(K),normalise(V)}
+ end,
+ Pairs0),
+ maps:from_list(Pairs1);
%% Special case for unary +/-.
normalise({op,_,'+',{char,_,I}}) -> I;
normalise({op,_,'+',{integer,_,I}}) -> I;