Fix a Dart 2 runtime cast failure.

.gitignore

@@ -1,5 +1,5 @@
+.dart_tool/
 .idea
 .pub
-packages
 .packages
 build

CHANGELOG.md

@@ -1,3 +1,7 @@
+# 1.0.11-dev
+
+* Fix cast failure when running in Dart 2.
+
 # 1.0.10
 
 * Don't split before `.` if the target expression is an argument list with a

lib/src/line_splitting/solve_state.dart

@@ -5,6 +5,7 @@
 library dart_style.src.line_splitting.solve_state;
 
 import '../debug.dart' as debug;
+import '../nesting_level.dart';
 import '../rule/rule.dart';
 import '../whitespace.dart';
 import 'line_splitter.dart';
@@ -280,7 +281,7 @@ class SolveState {
   void _calculateSplits() {
     // Figure out which expression nesting levels got split and need to be
     // assigned columns.
-    var usedNestingLevels = new Set();
+    var usedNestingLevels = new Set<NestingLevel>();
     for (var i = 0; i < _splitter.chunks.length - 1; i++) {
       var chunk = _splitter.chunks[i];
       if (chunk.rule.isSplit(getValue(chunk.rule), chunk)) {

pubspec.lock

@@ -1,5 +1,5 @@
 # Generated by pub
-# See http://pub.dartlang.org/doc/glossary.html#lockfile
+# See https://www.dartlang.org/tools/pub/glossary#lockfile
 packages:
   analyzer:
     dependency: "direct main"
@@ -14,14 +14,14 @@ packages:
       name: args
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0"
+    version: "1.4.1"
   async:
     dependency: "direct dev"
     description:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.4"
+    version: "2.0.6"
   barback:
     dependency: transitive
     description:
@@ -35,14 +35,14 @@ packages:
       name: boolean_selector
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.2"
+    version: "1.0.3"
   browser:
     dependency: "direct dev"
     description:
       name: browser
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.10.0+2"
+    version: "0.10.0+3"
   charcode:
     dependency: transitive
     description:
@@ -63,7 +63,7 @@ packages:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.14.5"
+    version: "1.14.9"
   convert:
     dependency: transitive
     description:
@@ -112,7 +112,7 @@ packages:
       name: html
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.13.2+2"
+    version: "0.13.3"
   http:
     dependency: transitive
     description:
@@ -308,7 +308,7 @@ packages:
       name: stream_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.3"
+    version: "1.6.4"
   string_scanner:
     dependency: transitive
     description:
@@ -329,7 +329,7 @@ packages:
       name: test
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.30+3"
+    version: "0.12.32+2"
   test_descriptor:
     dependency: "direct dev"
     description:

pubspec.yaml

@@ -1,6 +1,6 @@
 name: dart_style
 # Note: See tool/grind.dart for how to bump the version.
-version: 1.0.10
+version: 1.0.11-dev
 author: Dart Team <misc@dartlang.org>
 description: Opinionated, automatic Dart source code formatter.
 homepage: https://github.com/dart-lang/dart_style