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-rw-r--r--lib/stdlib/src/gb_sets.erl2
-rw-r--r--lib/stdlib/src/lists.erl4
-rw-r--r--lib/stdlib/src/orddict.erl2
-rw-r--r--lib/stdlib/src/ordsets.erl2
4 files changed, 5 insertions, 5 deletions
diff --git a/lib/stdlib/src/gb_sets.erl b/lib/stdlib/src/gb_sets.erl
index 086dc79b46..113f29e252 100644
--- a/lib/stdlib/src/gb_sets.erl
+++ b/lib/stdlib/src/gb_sets.erl
@@ -657,7 +657,7 @@ intersection_2([], _, As, S) ->
intersection_2(_, [], As, S) ->
{S, balance_revlist(As, S)}.
--spec intersection([gb_set()]) -> gb_set().
+-spec intersection([gb_set(),...]) -> gb_set().
intersection([S | Ss]) ->
intersection_list(S, Ss).
diff --git a/lib/stdlib/src/lists.erl b/lib/stdlib/src/lists.erl
index 08ee595f4d..431e5b114e 100644
--- a/lib/stdlib/src/lists.erl
+++ b/lib/stdlib/src/lists.erl
@@ -350,7 +350,7 @@ sort_1(X, [], R) ->
%% merge(List) -> L
%% merges a list of sorted lists
--spec merge([T]) -> [T].
+-spec merge([[T]]) -> [T].
merge(L) ->
mergel(L, []).
@@ -842,7 +842,7 @@ usort_1(X, []) ->
%% umerge(List) -> L
%% merges a list of sorted lists without duplicates, removes duplicates
--spec umerge([T]) -> [T].
+-spec umerge([[T]]) -> [T].
umerge(L) ->
umergel(L).
diff --git a/lib/stdlib/src/orddict.erl b/lib/stdlib/src/orddict.erl
index c7b52b933e..8a13992785 100644
--- a/lib/stdlib/src/orddict.erl
+++ b/lib/stdlib/src/orddict.erl
@@ -151,7 +151,7 @@ map(F, [{Key,Val}|D]) ->
[{Key,F(Key, Val)}|map(F, D)];
map(F, []) when is_function(F, 2) -> [].
--spec filter(fun((term(), term()) -> term()), orddict()) -> orddict().
+-spec filter(fun((term(), term()) -> boolean()), orddict()) -> orddict().
filter(F, [{Key,Val}=E|D]) ->
case F(Key, Val) of
diff --git a/lib/stdlib/src/ordsets.erl b/lib/stdlib/src/ordsets.erl
index 05041c15f1..e992b66714 100644
--- a/lib/stdlib/src/ordsets.erl
+++ b/lib/stdlib/src/ordsets.erl
@@ -147,7 +147,7 @@ intersection(_, []) ->
%% intersection([OrdSet]) -> OrdSet.
%% Return the intersection of the list of ordered sets.
--spec intersection([ordset(_)]) -> ordset(_).
+-spec intersection([ordset(_),...]) -> ordset(_).
intersection([S1,S2|Ss]) ->
intersection1(intersection(S1, S2), Ss);