From fb4e4179fde5447e3e2bf86a1a3b9a35743430f7 Mon Sep 17 00:00:00 2001
From: Lukas Larsson <lukas@erlang.org>
Date: Fri, 12 Apr 2024 14:33:52 +0200
Subject: [PATCH] edlin_expand: Exclude zero-arity functions when a nesting
 exists

fixes #8366
---
 lib/stdlib/src/edlin_expand.erl        | 7 ++++++-
 lib/stdlib/test/edlin_expand_SUITE.erl | 1 +
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/stdlib/src/edlin_expand.erl b/lib/stdlib/src/edlin_expand.erl
index b385b6b40cad..444483a1b743 100644
--- a/lib/stdlib/src/edlin_expand.erl
+++ b/lib/stdlib/src/edlin_expand.erl
@@ -480,7 +480,12 @@ expand_function_parameter_type(Mod, MFA, FunType, Args, Unfinished, Nestings, FT
                                  end,
     case match_arguments(TypeTree, Args) of
         false -> {no, [], []};
-        true when Parameters == [] -> {yes, ")", [#{title=>MFA, elems=>[{")",[]}], options=>[]}]};
+        true when Parameters == [] ->
+            if Nestings == [] ->
+                    {yes, ")", [#{title=>MFA, elems=>[{")",[]}], options=>[]}]};
+               true ->
+                    {no, [], []}
+            end;
         true ->
             Parameter = lists:nth(length(Args)+1, Parameters),
             {T, _Name} = case Parameter of
diff --git a/lib/stdlib/test/edlin_expand_SUITE.erl b/lib/stdlib/test/edlin_expand_SUITE.erl
index 39baac3e9d14..15abaaa7f07e 100644
--- a/lib/stdlib/test/edlin_expand_SUITE.erl
+++ b/lib/stdlib/test/edlin_expand_SUITE.erl
@@ -276,6 +276,7 @@ function_parameter_completion(Config) ->
                             options:=[{highlight_param,1}]}],
                 options:=[highlight_all]}]} = do_expand("complete_function_parameter:multi_arity_fun("),
     {no, [], [#{elems:=[#{elems:=[#{elems:=[{"true",[]},{"false",[]}]}]}]}]} = do_expand("complete_function_parameter:multi_arity_fun(1,"),
+    {no, [], []} = do_expand("complete_function_parameter:multi_arity_fun(["),
     {no,[],
         [#{elems :=
             [#{elems :=