commit 94fd6fbb95d5104060af11f83b91739e4c41e75b
author Sam Rawlins <srawlins@google.com> Thu May 23 11:26:01 2019 -0700
committer GitHub <noreply@github.com> Thu May 23 11:26:01 2019 -0700
tree 3ef59ebccc14835b17748818878be24d07c5d722
parent b6a7ffb868e1185d04f4b036c928b9603923b69f

Fix missing_return violation newly enforced in Dart ~2.3.2-dev.0.1 (#1970)

lib/src/source_linker.dart

diff --git a/lib/src/source_linker.dart b/lib/src/source_linker.dart
index 220b518..aad2963 100644
--- a/lib/src/source_linker.dart
+++ b/lib/src/source_linker.dart
@@ -113,6 +113,8 @@
         case '%l%':
           return lineNumber.toString();
           break;
+        default:
+          return null;
       }
     });
   }