Index: sdk/lib/_internal/pub/lib/src/source_registry.dart |
diff --git a/sdk/lib/_internal/pub/lib/src/source_registry.dart b/sdk/lib/_internal/pub/lib/src/source_registry.dart |
index 6dbe58e9625725348af8bff81f53c603d88dd74b..cd3dc3ef162cbd46ccfcd330ded435c71a505897 100644 |
--- a/sdk/lib/_internal/pub/lib/src/source_registry.dart |
+++ b/sdk/lib/_internal/pub/lib/src/source_registry.dart |
@@ -43,6 +43,8 @@ class SourceRegistry { |
/// Returns the source named [name]. Throws an error if no such source has |
/// been registered. If [name] is null, returns the default source. |
+ // TODO(rnystrom): Return a NullSource that does nothing safely so that |
+ // calling code doesn't have to worry about it. |
Source operator[](String name) { |
if (name == null) { |
if (defaultSource != null) return defaultSource; |