Index: lib/core/bool.dart |
diff --git a/lib/core/bool.dart b/lib/core/bool.dart |
index 3225a9989978ca9d4a380f1b35574bef900fdcb6..e34b05829b4e6541c6dc0ff53eb0aecdfc4ed1e0 100644 |
--- a/lib/core/bool.dart |
+++ b/lib/core/bool.dart |
@@ -6,7 +6,7 @@ |
class bool { |
factory bool._uninstantiable() { |
- throw const UnsupportedOperationException( |
+ throw new UnsupportedError( |
"class bool cannot be instantiated"); |
} |
} |