diff options
Diffstat (limited to 'lib/hipe/cerl')
-rw-r--r-- | lib/hipe/cerl/erl_types.erl | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/hipe/cerl/erl_types.erl b/lib/hipe/cerl/erl_types.erl index d61cd8664c..badf58936f 100644 --- a/lib/hipe/cerl/erl_types.erl +++ b/lib/hipe/cerl/erl_types.erl @@ -5338,7 +5338,15 @@ t_form_to_string({type, _L, tuple, any}) -> "tuple()"; t_form_to_string({type, _L, tuple, Args}) -> "{" ++ flat_join(t_form_to_string_list(Args), ",") ++ "}"; t_form_to_string({type, _L, union, Args}) -> - flat_join(t_form_to_string_list(Args), " | "); + flat_join(lists:map(fun(Arg) -> + case Arg of + {ann_type, _AL, _} -> + "(" ++ t_form_to_string(Arg) ++ ")"; + _ -> + t_form_to_string(Arg) + end + end, Args), + " | "); t_form_to_string({type, _L, Name, []} = T) -> try M = mod, |