Index: lib/src/command/barback.dart |
diff --git a/lib/src/command/barback.dart b/lib/src/command/barback.dart |
index 1ac2ea9a6240b0787c0aceffe5e312615a302b31..3e07773ca7d762a2d1158323a7d3b65905b0f02c 100644 |
--- a/lib/src/command/barback.dart |
+++ b/lib/src/command/barback.dart |
@@ -111,7 +111,7 @@ abstract class BarbackCommand extends PubCommand { |
// Make sure the directories don't overlap. |
var sources = sourceDirectories.toList(); |
- var overlapping = new Set(); |
+ var overlapping = new Set<String>(); |
for (var i = 0; i < sources.length; i++) { |
for (var j = i + 1; j < sources.length; j++) { |
if (path.isWithin(sources[i], sources[j]) || |