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-rw-r--r--lib/dialyzer/src/dialyzer_behaviours.erl10
-rw-r--r--lib/dialyzer/src/dialyzer_codeserver.erl4
-rw-r--r--lib/dialyzer/src/dialyzer_contracts.erl20
-rw-r--r--lib/dialyzer/src/dialyzer_dataflow.erl3
-rw-r--r--lib/dialyzer/src/dialyzer_plt.erl8
-rw-r--r--lib/dialyzer/src/dialyzer_succ_typings.erl9
-rw-r--r--lib/dialyzer/src/dialyzer_utils.erl43
-rw-r--r--lib/dialyzer/test/behaviour_SUITE_data/results/supervisor_incorrect_return2
-rw-r--r--lib/dialyzer/test/behaviour_SUITE_data/src/custom_sup.erl2
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/behaviour_info2
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/behaviour_info/with_bad_format_status.erl12
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/behaviour_info/with_format_status.erl13
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/maps1.erl36
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/predef2.erl56
14 files changed, 87 insertions, 133 deletions
diff --git a/lib/dialyzer/src/dialyzer_behaviours.erl b/lib/dialyzer/src/dialyzer_behaviours.erl
index 1d458b49fc..bbedd3201e 100644
--- a/lib/dialyzer/src/dialyzer_behaviours.erl
+++ b/lib/dialyzer/src/dialyzer_behaviours.erl
@@ -102,14 +102,18 @@ check_all_callbacks(Module, Behaviour, [Cb|Rest],
#state{plt = Plt, codeserver = Codeserver,
records = Records} = State, Acc) ->
{{Behaviour, Function, Arity},
- {{_BehFile, _BehLine}, Callback}} = Cb,
+ {{_BehFile, _BehLine}, Callback, Xtra}} = Cb,
CbMFA = {Module, Function, Arity},
CbReturnType = dialyzer_contracts:get_contract_return(Callback),
CbArgTypes = dialyzer_contracts:get_contract_args(Callback),
Acc0 = Acc,
Acc1 =
case dialyzer_plt:lookup(Plt, CbMFA) of
- 'none' -> [{callback_missing, [Behaviour, Function, Arity]}|Acc0];
+ 'none' ->
+ case lists:member(optional_callback, Xtra) of
+ true -> Acc0;
+ false -> [{callback_missing, [Behaviour, Function, Arity]}|Acc0]
+ end;
{'value', RetArgTypes} ->
Acc00 = Acc0,
{ReturnType, ArgTypes} = RetArgTypes,
@@ -137,7 +141,7 @@ check_all_callbacks(Module, Behaviour, [Cb|Rest],
Acc2 =
case dialyzer_codeserver:lookup_mfa_contract(CbMFA, Codeserver) of
'error' -> Acc1;
- {ok, {{File, Line}, Contract}} ->
+ {ok, {{File, Line}, Contract, _Xtra}} ->
Acc10 = Acc1,
SpecReturnType0 = dialyzer_contracts:get_contract_return(Contract),
SpecArgTypes0 = dialyzer_contracts:get_contract_args(Contract),
diff --git a/lib/dialyzer/src/dialyzer_codeserver.erl b/lib/dialyzer/src/dialyzer_codeserver.erl
index aab3d6add6..593e71f30b 100644
--- a/lib/dialyzer/src/dialyzer_codeserver.erl
+++ b/lib/dialyzer/src/dialyzer_codeserver.erl
@@ -278,10 +278,10 @@ lookup_mod_contracts(Mod, #codeserver{contracts = ContDict})
case ets_dict_find(Mod, ContDict) of
error -> dict:new();
{ok, Keys} ->
- dict:from_list([get_contract_pair(Key, ContDict)|| Key <- Keys])
+ dict:from_list([get_file_contract(Key, ContDict)|| Key <- Keys])
end.
-get_contract_pair(Key, ContDict) ->
+get_file_contract(Key, ContDict) ->
{Key, ets:lookup_element(ContDict, Key, 2)}.
-spec lookup_mfa_contract(mfa(), codeserver()) ->
diff --git a/lib/dialyzer/src/dialyzer_contracts.erl b/lib/dialyzer/src/dialyzer_contracts.erl
index f27fc1a842..ee147ca102 100644
--- a/lib/dialyzer/src/dialyzer_contracts.erl
+++ b/lib/dialyzer/src/dialyzer_contracts.erl
@@ -43,7 +43,7 @@
%% Types used in other parts of the system below
%%-----------------------------------------------------------------------
--type file_contract() :: {file_line(), #contract{}}.
+-type file_contract() :: {file_line(), #contract{}, Extra :: [_]}.
-type plt_contracts() :: [{mfa(), #contract{}}]. % actually, an orddict()
@@ -146,10 +146,10 @@ process_contract_remote_types(CodeServer) ->
ExpTypes = dialyzer_codeserver:get_exported_types(CodeServer),
RecordDict = dialyzer_codeserver:get_records(CodeServer),
ContractFun =
- fun({_M, _F, _A}, {File, #tmp_contract{contract_funs = CFuns, forms = Forms}}) ->
+ fun({_M, _F, _A}, {File, #tmp_contract{contract_funs = CFuns, forms = Forms}, Xtra}) ->
NewCs = [CFun(ExpTypes, RecordDict) || CFun <- CFuns],
Args = general_domain(NewCs),
- {File, #contract{contracts = NewCs, args = Args, forms = Forms}}
+ {File, #contract{contracts = NewCs, args = Args, forms = Forms}, Xtra}
end,
ModuleFun =
fun(_ModuleName, ContractDict) ->
@@ -175,7 +175,7 @@ check_contracts(Contracts, Callgraph, FunTypes, FindOpaques) ->
case dialyzer_callgraph:lookup_name(Label, Callgraph) of
{ok, {M,F,A} = MFA} ->
case orddict:find(MFA, Contracts) of
- {ok, {_FileLine, Contract}} ->
+ {ok, {_FileLine, Contract, _Xtra}} ->
Opaques = FindOpaques(M),
case check_contract(Contract, Type, Opaques) of
ok ->
@@ -362,7 +362,7 @@ contracts_without_fun(Contracts, AllFuns0, Callgraph) ->
[warn_spec_missing_fun(MFA, Contracts) || MFA <- ErrorContractMFAs].
warn_spec_missing_fun({M, F, A} = MFA, Contracts) ->
- {FileLine, _Contract} = dict:fetch(MFA, Contracts),
+ {FileLine, _Contract, _Xtra} = dict:fetch(MFA, Contracts),
{?WARN_CONTRACT_SYNTAX, FileLine, {spec_missing_fun, [M, F, A]}}.
%% This treats the "when" constraints. It will be extended, we hope.
@@ -386,14 +386,16 @@ insert_constraints([], Dict) -> Dict.
-type types() :: erl_types:type_table().
--spec store_tmp_contract(mfa(), file_line(), [_], contracts(), types()) ->
+-type spec_data() :: {TypeSpec :: [_], Xtra:: [_]}.
+
+-spec store_tmp_contract(mfa(), file_line(), spec_data(), contracts(), types()) ->
contracts().
-store_tmp_contract(MFA, FileLine, TypeSpec, SpecDict, RecordsDict) ->
+store_tmp_contract(MFA, FileLine, {TypeSpec, Xtra}, SpecDict, RecordsDict) ->
%% io:format("contract from form: ~p\n", [TypeSpec]),
TmpContract = contract_from_form(TypeSpec, RecordsDict, FileLine),
%% io:format("contract: ~p\n", [TmpContract]),
- dict:store(MFA, {FileLine, TmpContract}, SpecDict).
+ dict:store(MFA, {FileLine, TmpContract, Xtra}, SpecDict).
contract_from_form(Forms, RecDict, FileLine) ->
{CFuns, Forms1} = contract_from_form(Forms, RecDict, FileLine, [], []),
@@ -597,7 +599,7 @@ get_invalid_contract_warnings_modules([Mod|Mods], CodeServer, Plt, FindOpaques,
get_invalid_contract_warnings_modules([], _CodeServer, _Plt, _FindOpaques, Acc) ->
Acc.
-get_invalid_contract_warnings_funs([{MFA, {FileLine, Contract}}|Left],
+get_invalid_contract_warnings_funs([{MFA, {FileLine, Contract, _Xtra}}|Left],
Plt, RecDict, FindOpaques, Acc) ->
case dialyzer_plt:lookup(Plt, MFA) of
none ->
diff --git a/lib/dialyzer/src/dialyzer_dataflow.erl b/lib/dialyzer/src/dialyzer_dataflow.erl
index 03005e689f..46467a1303 100644
--- a/lib/dialyzer/src/dialyzer_dataflow.erl
+++ b/lib/dialyzer/src/dialyzer_dataflow.erl
@@ -2781,8 +2781,7 @@ filter_match_fail([]) ->
%%% ===========================================================================
state__new(Callgraph, Tree, Plt, Module, Records) ->
- Opaques = erl_types:module_builtin_opaques(Module) ++
- erl_types:t_opaque_from_records(Records),
+ Opaques = erl_types:t_opaque_from_records(Records),
TreeMap = build_tree_map(Tree),
Funs = dict:fetch_keys(TreeMap),
FunTab = init_fun_tab(Funs, dict:new(), TreeMap, Callgraph, Plt),
diff --git a/lib/dialyzer/src/dialyzer_plt.erl b/lib/dialyzer/src/dialyzer_plt.erl
index 63798f44b1..7c970daf41 100644
--- a/lib/dialyzer/src/dialyzer_plt.erl
+++ b/lib/dialyzer/src/dialyzer_plt.erl
@@ -158,9 +158,7 @@ lookup_contract(#mini_plt{contracts = ETSContracts},
ets_table_lookup(ETSContracts, MFA).
-spec lookup_callbacks(plt(), module()) ->
- 'none' | {'value', [{mfa(), {{Filename::string(),
- Line::pos_integer()},
- #contract{}}}]}.
+ 'none' | {'value', [{mfa(), dialyzer_contracts:file_contract()}]}.
lookup_callbacks(#mini_plt{callbacks = ETSCallbacks}, Mod) when is_atom(Mod) ->
ets_table_lookup(ETSCallbacks, Mod).
@@ -618,9 +616,7 @@ table_insert_list(Plt, [{Key, Val}|Left]) ->
table_insert_list(Plt, []) ->
Plt.
-table_insert(Plt, Key, {_Ret, _Arg} = Obj) ->
- dict:store(Key, Obj, Plt);
-table_insert(Plt, Key, #contract{} = C) ->
+table_insert(Plt, Key, {_File, #contract{}, _Xtra} = C) ->
dict:store(Key, C, Plt).
table_lookup(Plt, Obj) ->
diff --git a/lib/dialyzer/src/dialyzer_succ_typings.erl b/lib/dialyzer/src/dialyzer_succ_typings.erl
index ef9b00e203..6dc4285194 100644
--- a/lib/dialyzer/src/dialyzer_succ_typings.erl
+++ b/lib/dialyzer/src/dialyzer_succ_typings.erl
@@ -201,7 +201,7 @@ postprocess_dataflow_warns([{?WARN_CONTRACT_RANGE, {CallF, CallL}, Msg}|Rest],
Codeserver, WAcc, Acc) ->
{contract_range, [Contract, M, F, A, ArgStrings, CRet]} = Msg,
case dialyzer_codeserver:lookup_mfa_contract({M,F,A}, Codeserver) of
- {ok, {{ContrF, _ContrL} = FileLine, _C}} ->
+ {ok, {{ContrF, _ContrL} = FileLine, _C, _X}} ->
case CallF =:= ContrF of
true ->
NewMsg = {contract_range, [Contract, M, F, ArgStrings, CallL, CRet]},
@@ -401,7 +401,7 @@ decorate_succ_typings(Contracts, Callgraph, FunTypes, FindOpaques) ->
case dialyzer_callgraph:lookup_name(Label, Callgraph) of
{ok, MFA} ->
case orddict:find(MFA, Contracts) of
- {ok, {_FileLine, Contract}} ->
+ {ok, {_FileLine, Contract, _Xtra}} ->
Args = dialyzer_contracts:get_contract_args(Contract),
Ret = dialyzer_contracts:get_contract_return(Contract),
C = erl_types:t_fun(Args, Ret),
@@ -422,10 +422,7 @@ lookup_and_find_opaques_fun(Codeserver) ->
end.
find_opaques_fun(Records) ->
- fun(Module) ->
- erl_types:module_builtin_opaques(Module) ++
- erl_types:t_opaque_from_records(Records)
- end.
+ fun(_Module) -> erl_types:t_opaque_from_records(Records) end.
get_fun_types_from_plt(FunList, Callgraph, Plt) ->
get_fun_types_from_plt(FunList, Callgraph, Plt, dict:new()).
diff --git a/lib/dialyzer/src/dialyzer_utils.erl b/lib/dialyzer/src/dialyzer_utils.erl
index 5297a3a7b4..e5f5c69d45 100644
--- a/lib/dialyzer/src/dialyzer_utils.erl
+++ b/lib/dialyzer/src/dialyzer_utils.erl
@@ -345,8 +345,26 @@ merge_records(NewRecords, OldRecords) ->
{'ok', spec_dict(), callback_dict()} | {'error', string()}.
get_spec_info(ModName, AbstractCode, RecordsDict) ->
+ OptionalCallbacks0 = get_optional_callbacks(AbstractCode, ModName),
+ OptionalCallbacks = gb_sets:from_list(OptionalCallbacks0),
get_spec_info(AbstractCode, dict:new(), dict:new(),
- RecordsDict, ModName, "nofile").
+ RecordsDict, ModName, OptionalCallbacks, "nofile").
+
+get_optional_callbacks(Abs, ModName) ->
+ [{ModName, F, A} || {F, A} <- get_optional_callbacks(Abs)].
+
+get_optional_callbacks(Abs) ->
+ L = [O ||
+ {attribute, _, optional_callbacks, O} <- Abs,
+ is_fa_list(O)],
+ lists:append(L).
+
+is_fa_list([{FuncName, Arity}|L])
+ when is_atom(FuncName), is_integer(Arity), Arity >= 0 ->
+ is_fa_list(L);
+is_fa_list([]) -> true;
+is_fa_list(_) -> false.
+
%% TypeSpec is a list of conditional contracts for a function.
%% Each contract is of the form {[Argument], Range, [Constraint]} where
@@ -355,13 +373,14 @@ get_spec_info(ModName, AbstractCode, RecordsDict) ->
%% are erl_types:erl_type()
get_spec_info([{attribute, Ln, Contract, {Id, TypeSpec}}|Left],
- SpecDict, CallbackDict, RecordsDict, ModName, File)
+ SpecDict, CallbackDict, RecordsDict, ModName, OptCb, File)
when ((Contract =:= 'spec') or (Contract =:= 'callback')),
is_list(TypeSpec) ->
MFA = case Id of
{_, _, _} = T -> T;
{F, A} -> {ModName, F, A}
end,
+ Xtra = [optional_callback || gb_sets:is_member(MFA, OptCb)],
ActiveDict =
case Contract of
spec -> SpecDict;
@@ -369,8 +388,9 @@ get_spec_info([{attribute, Ln, Contract, {Id, TypeSpec}}|Left],
end,
try dict:find(MFA, ActiveDict) of
error ->
+ SpecData = {TypeSpec, Xtra},
NewActiveDict =
- dialyzer_contracts:store_tmp_contract(MFA, {File, Ln}, TypeSpec,
+ dialyzer_contracts:store_tmp_contract(MFA, {File, Ln}, SpecData,
ActiveDict, RecordsDict),
{NewSpecDict, NewCallbackDict} =
case Contract of
@@ -378,8 +398,8 @@ get_spec_info([{attribute, Ln, Contract, {Id, TypeSpec}}|Left],
callback -> {SpecDict, NewActiveDict}
end,
get_spec_info(Left, NewSpecDict, NewCallbackDict,
- RecordsDict, ModName,File);
- {ok, {{OtherFile, L},_C}} ->
+ RecordsDict, ModName, OptCb, File);
+ {ok, {{OtherFile, L}, _D}} ->
{Mod, Fun, Arity} = MFA,
Msg = flat_format(" Contract/callback for function ~w:~w/~w "
"already defined in ~s:~w\n",
@@ -391,13 +411,15 @@ get_spec_info([{attribute, Ln, Contract, {Id, TypeSpec}}|Left],
[Ln, Error])}
end;
get_spec_info([{attribute, _, file, {IncludeFile, _}}|Left],
- SpecDict, CallbackDict, RecordsDict, ModName, _File) ->
+ SpecDict, CallbackDict, RecordsDict, ModName, OptCb, _File) ->
get_spec_info(Left, SpecDict, CallbackDict,
- RecordsDict, ModName, IncludeFile);
+ RecordsDict, ModName, OptCb, IncludeFile);
get_spec_info([_Other|Left], SpecDict, CallbackDict,
- RecordsDict, ModName, File) ->
- get_spec_info(Left, SpecDict, CallbackDict, RecordsDict, ModName, File);
-get_spec_info([], SpecDict, CallbackDict, _RecordsDict, _ModName, _File) ->
+ RecordsDict, ModName, OptCb, File) ->
+ get_spec_info(Left, SpecDict, CallbackDict,
+ RecordsDict, ModName, OptCb, File);
+get_spec_info([], SpecDict, CallbackDict,
+ _RecordsDict, _ModName, _OptCb, _File) ->
{ok, SpecDict, CallbackDict}.
%% ============================================================================
@@ -449,7 +471,6 @@ cleanup_compile_options(Opts) ->
%% Using abstract, not asm or core.
keep_compile_option(from_asm) -> false;
-keep_compile_option(asm) -> false;
keep_compile_option(from_core) -> false;
%% The parse transform will already have been applied, may cause
%% problems if it is re-applied.
diff --git a/lib/dialyzer/test/behaviour_SUITE_data/results/supervisor_incorrect_return b/lib/dialyzer/test/behaviour_SUITE_data/results/supervisor_incorrect_return
index e89caf3cf7..4103a2d8b4 100644
--- a/lib/dialyzer/test/behaviour_SUITE_data/results/supervisor_incorrect_return
+++ b/lib/dialyzer/test/behaviour_SUITE_data/results/supervisor_incorrect_return
@@ -1,2 +1,2 @@
-supervisor_incorrect_return.erl:14: The inferred return type of init/1 ({'ok',{{'one_against_one',0,1},[{_,_,_,_,_,_},...]}}) has nothing in common with 'ignore' | {'ok',{{'one_for_all',non_neg_integer(),non_neg_integer()} | {'one_for_one',non_neg_integer(),non_neg_integer()} | {'rest_for_one',non_neg_integer(),non_neg_integer()} | {'simple_one_for_one',non_neg_integer(),non_neg_integer()},[{_,{atom() | tuple(),atom(),'undefined' | [any()]},'permanent' | 'temporary' | 'transient','brutal_kill' | 'infinity' | non_neg_integer(),'supervisor' | 'worker','dynamic' | [atom() | tuple()]}]}}, which is the expected return type for the callback of supervisor behaviour
+supervisor_incorrect_return.erl:14: The inferred return type of init/1 ({'ok',{{'one_against_one',0,1},[{_,_,_,_,_,_},...]}}) has nothing in common with 'ignore' | {'ok',{{'one_for_all',non_neg_integer(),pos_integer()} | {'one_for_one',non_neg_integer(),pos_integer()} | {'rest_for_one',non_neg_integer(),pos_integer()} | {'simple_one_for_one',non_neg_integer(),pos_integer()} | #{},[{_,{atom() | tuple(),atom(),'undefined' | [any()]},'permanent' | 'temporary' | 'transient','brutal_kill' | 'infinity' | non_neg_integer(),'supervisor' | 'worker','dynamic' | [atom() | tuple()]} | #{}]}}, which is the expected return type for the callback of supervisor behaviour
diff --git a/lib/dialyzer/test/behaviour_SUITE_data/src/custom_sup.erl b/lib/dialyzer/test/behaviour_SUITE_data/src/custom_sup.erl
index 76da1fda70..401ee88eab 100644
--- a/lib/dialyzer/test/behaviour_SUITE_data/src/custom_sup.erl
+++ b/lib/dialyzer/test/behaviour_SUITE_data/src/custom_sup.erl
@@ -13,7 +13,7 @@
-export([init/1]).
-spec init(atom()) ->
- {ok, {{supervisor:strategy(), non_neg_integer(), non_neg_integer()},
+ {ok, {{supervisor:strategy(), non_neg_integer(), pos_integer()},
[supervisor:child_spec()]}} | ignore.
init(StorageName) ->
diff --git a/lib/dialyzer/test/small_SUITE_data/results/behaviour_info b/lib/dialyzer/test/small_SUITE_data/results/behaviour_info
new file mode 100644
index 0000000000..2da4d26acb
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/results/behaviour_info
@@ -0,0 +1,2 @@
+
+with_bad_format_status.erl:12: The inferred type for the 1st argument of format_status/2 ('bad_arg') is not a supertype of 'normal' | 'terminate', which is expected type for this argument in the callback of the gen_server behaviour
diff --git a/lib/dialyzer/test/small_SUITE_data/src/behaviour_info/with_bad_format_status.erl b/lib/dialyzer/test/small_SUITE_data/src/behaviour_info/with_bad_format_status.erl
new file mode 100644
index 0000000000..24591e08fa
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/src/behaviour_info/with_bad_format_status.erl
@@ -0,0 +1,12 @@
+-module(with_bad_format_status).
+
+-behaviour(gen_server).
+-export([handle_call/3,handle_cast/2,handle_info/2,
+ code_change/3, init/1, terminate/2, format_status/2]).
+handle_call(_, _, S) -> {noreply, S}.
+handle_cast(_, S) -> {noreply, S}.
+handle_info(_, S) -> {noreply, S}.
+code_change(_, _, _) -> {error, not_implemented}.
+init(_) -> {ok, state}.
+terminate(_, _) -> ok.
+format_status(bad_arg, _) -> ok. % optional callback
diff --git a/lib/dialyzer/test/small_SUITE_data/src/behaviour_info/with_format_status.erl b/lib/dialyzer/test/small_SUITE_data/src/behaviour_info/with_format_status.erl
new file mode 100644
index 0000000000..a56ff63d1d
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/src/behaviour_info/with_format_status.erl
@@ -0,0 +1,13 @@
+-module(with_format_status).
+
+-behaviour(gen_server).
+-export([handle_call/3,handle_cast/2,handle_info/2,
+ code_change/3, init/1, terminate/2, format_status/2]).
+-export([handle_call/3,handle_cast/2,handle_info/2]).
+handle_call(_, _, S) -> {noreply, S}.
+handle_cast(_, S) -> {noreply, S}.
+handle_info(_, S) -> {noreply, S}.
+code_change(_, _, _) -> {error, not_implemented}.
+init(_) -> {ok, state}.
+terminate(_, _) -> ok.
+format_status(normal, _) -> ok. % optional callback
diff --git a/lib/dialyzer/test/small_SUITE_data/src/maps1.erl b/lib/dialyzer/test/small_SUITE_data/src/maps1.erl
index 228ffe2c22..06ced5b69e 100644
--- a/lib/dialyzer/test/small_SUITE_data/src/maps1.erl
+++ b/lib/dialyzer/test/small_SUITE_data/src/maps1.erl
@@ -10,7 +10,6 @@
-export([recv/3, decode/1]).
--export([get_my_map/0,is_my_map/1]).
%-record(can_pkt, {id, data :: binary(), timestamp}).
@@ -40,38 +39,3 @@ t2() -> ok.
update(#{ id := Id, val := Val } = M, X) when is_integer(Id) ->
M#{ val := [Val,X] }.
-
-%% key coalescing
-
--spec get_my_map() -> map().
-
-get_my_map() ->
- #{labels => [one, two],
- number => 27,
- [1,2,3] => wer,
- {4,5,6} => sdf,
- kvok => #{
- <<"wat">> => v,
- a => qwe,
- 2 => asd,
- [1,2,3] => wer,
- {4,5,6} => sdf,
- "abc" => zxc
- }
- }.
-
--spec is_my_map(map()) -> 'ok'.
-
-is_my_map(#{labels := [one, two],
- number := 27,
- [1,2,3] := wer,
- {4,5,6} := sdf,
- kvok := #{
- <<"wat">> := v,
- a := qwe,
- 2 := asd,
- [1,2,3] := wer,
- {4,5,6} := sdf,
- "abc" := zxc
- }
- }) -> ok.
diff --git a/lib/dialyzer/test/small_SUITE_data/src/predef2.erl b/lib/dialyzer/test/small_SUITE_data/src/predef2.erl
deleted file mode 100644
index b1d941a49a..0000000000
--- a/lib/dialyzer/test/small_SUITE_data/src/predef2.erl
+++ /dev/null
@@ -1,56 +0,0 @@
--module(predef2).
-
--export([array/1, dict/1, digraph/1, digraph2/1, gb_set/1, gb_tree/1,
- queue/1, set/1, tid/0, tid2/0]).
-
--export_type([array/0, digraph/0, gb_set/0]).
-
--spec array(array()) -> array:array().
-
-array(A) ->
- array:relax(A).
-
--spec dict(dict()) -> dict:dict().
-
-dict(D) ->
- dict:store(1, a, D).
-
--spec digraph(digraph()) -> [digraph:edge()].
-
-digraph(G) ->
- digraph:edges(G).
-
--spec digraph2(digraph:graph()) -> [digraph:edge()].
-
-digraph2(G) ->
- digraph:edges(G).
-
--spec gb_set(gb_set()) -> gb_sets:set().
-
-gb_set(S) ->
- gb_sets:balance(S).
-
--spec gb_tree(gb_tree()) -> gb_trees:tree().
-
-gb_tree(S) ->
- gb_trees:balance(S).
-
--spec queue(queue()) -> queue:queue().
-
-queue(Q) ->
- queue:reverse(Q).
-
--spec set(set()) -> sets:set().
-
-set(S) ->
- sets:union([S]).
-
--spec tid() -> tid().
-
-tid() ->
- ets:new(tid, []).
-
--spec tid2() -> ets:tid().
-
-tid2() ->
- ets:new(tid, []).