Prepare 2.1.0 release

Author: isoos

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 2.1.0
+
+- Migrated to null-safety. ([#5](https://github.com/isoos/bit_array/pull/5) by [eugmes](https://github.com/eugmes)).
+
 ## 2.0.0
 
 **BREAKING CHANGES**

lib/src/composite_counter.dart

@@ -151,13 +151,11 @@ class CompositeCounter {
   CompositeSet toMask({int minValue = 1}) {
     return CompositeSet(
         chunkBits: chunkBits,
-        chunks: chunks
-            .expand<BitSetChunk>((c) {
-              final set = c.bitCounter.toMask(minValue: minValue);
-              if (set.isEmpty) return [];
-              return [BitSetChunk(c.offset, set)];
-            })
-            .toList());
+        chunks: chunks.expand<BitSetChunk>((c) {
+          final set = c.bitCounter.toMask(minValue: minValue);
+          if (set.isEmpty) return [];
+          return [BitSetChunk(c.offset, set)];
+        }).toList());
   }
 
   /// Updates the values to the maximum of the pairwise values with [other].

pubspec.yaml

@@ -2,7 +2,7 @@ name: bit_array
 description: >
   A bit array (also known as BitMap, BitSet, BitString, or BitVector)
   is an array data structure that compactly stores bits.
-version: 2.0.0
+version: 2.1.0
 homepage: https://github.com/isoos/bit_array
 author: Istvan Soos <istvan.soos@gmail.com>