Meta function extension methods

lib/extensions.dart

@@ -0,0 +1,3 @@
+library turf_extensions;
+
+export 'src/meta_extensions.dart';

lib/src/meta.dart

@@ -10,9 +10,7 @@ typedef GeomEachCallback = dynamic Function(
 
 /// A simple class to manage short circuiting from *Each functions while still
 /// allowing an Exception to be thrown and raised
-class _ShortCircuit {
-  _ShortCircuit();
-}
+class _ShortCircuit {}
 
 /// Iterate over each geometry in [geoJSON], calling [callback] on each
 /// iteration. Similar to Array.forEach()

lib/src/meta_extensions.dart

@@ -0,0 +1,17 @@
+import 'package:turf/src/meta.dart' as meta;
+
+import '../helpers.dart';
+
+extension GeoJSONObjectMetaExtension on GeoJSONObject {
+  void geomEach(meta.GeomEachCallback callback) {
+    meta.geomEach(this, callback);
+  }
+
+  void propEach(meta.PropEachCallback callback) {
+    meta.propEach(this, callback);
+  }
+
+  void featureEach(meta.FeatureEachCallback callback) {
+    meta.featureEach(this, callback);
+  }
+}