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Author: srawlins

lib/src/rules/non_nullable_equals_parameter.dart

@@ -78,7 +78,7 @@ class _Visitor extends SimpleAstVisitor<void> {
       return;
     }
 
-    if (parameters.parameters.isEmpty) {
+    if (parameters.parameters.length != 1) {
       return;
     }
 

test/rules/non_nullable_equals_parameter_test.dart

@@ -36,6 +36,14 @@ class D extends C {
 ''');
   }
 
+  test_class_nonNullableParameter_narrowedType() async {
+    await assertNoDiagnostics(r'''
+class C {
+  bool operator ==(int other) => other is C;
+}
+''');
+  }
+
   test_class_nullableParameter() async {
     await assertDiagnostics(r'''
 class C {