From 2956b1a705953f880a5dae9d3a0969df0fc45e99 Mon Sep 17 00:00:00 2001
From: Bob Nystrom <rnystrom@google.com>
Date: Thu, 25 May 2023 16:16:51 -0700
Subject: [PATCH] Don't drop "?" on nullable empty record types. (#1229)

Fix #1224.
---
 CHANGELOG.md                      | 1 +
 lib/src/source_visitor.dart       | 1 +
 test/whitespace/record_types.unit | 6 +++++-
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index d1854edd..e78d5cee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@
 * Don't split before `.` following a record literal (#1213).
 * Don't force split on a line comment before a switch expression case (#1215).
 * Require `package:analyzer` `^5.12.0`.
+* Preserve `?` on nullable empty record types (#1224).
 
 # 2.3.1
 
diff --git a/lib/src/source_visitor.dart b/lib/src/source_visitor.dart
index fefaae18..09aa81e3 100644
--- a/lib/src/source_visitor.dart
+++ b/lib/src/source_visitor.dart
@@ -2505,6 +2505,7 @@ class SourceVisitor extends ThrowingAstVisitor {
       if (node.rightParenthesis.precedingComments != null) soloZeroSplit();
 
       token(node.rightParenthesis);
+      token(node.question);
       return;
     }
 
diff --git a/test/whitespace/record_types.unit b/test/whitespace/record_types.unit
index 8f2efd54..74aed599 100644
--- a/test/whitespace/record_types.unit
+++ b/test/whitespace/record_types.unit
@@ -47,4 +47,8 @@
 >>> nullable record type
 (  int  ,   bool  )   ?  x;
 <<<
-(int, bool)? x;
\ No newline at end of file
+(int, bool)? x;
+>>> empty nullable record type
+(  )  ?   x;
+<<<
+()? x;
\ No newline at end of file