Fix StringSink writing null

ethanblake4 · Mar 27, 2024 · bf841d0 · bf841d0
1 parent 1700dac
commit bf841d0
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/lib/src/eval/shared/stdlib/io/string_sink.dart b/lib/src/eval/shared/stdlib/io/string_sink.dart
@@ -111,7 +111,8 @@ class $StringSink implements $Instance {
 
   static $Value? _writeln(Runtime runtime, $Value? target, List<$Value?> args) {
     final object = args[0];
-    (target!.$value as StringSink).writeln(runtime.valueToString(object));
+    (target!.$value as StringSink)
+        .writeln(object == null ? "" : runtime.valueToString(object));
     return null;
   }