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bin/Data/Structure.dart

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+/*
+
+Copyright (c) 2019 Ahmed Kh. Zamil
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+*/
+import 'dart:collection';
+
+class Structure with MapMixin<String, Object>//, IterableMixin<String>
+{
+
+    Map<String, Object> _map = new Map<String, Object>();
+    
+    Iterator<String>  get iterator => _map.keys.iterator;
+
+    Iterable<String> get keys => _map.keys;
+
+    operator[](index) => _map[index];
+
+    operator []= (index, value) => _map[index] = value;
+    
+    remove(key) => _map.remove(key);
+    
+    clear() => _map.clear();
+    
+
+    at(int index) => _map.values.elementAt(index);
+
+    List<String> getKeys() => _map.keys.toList();    
+
+  
+   Structure.fromMap(Map map)
+   {
+      for(var i  in map.keys)
+        _map[i.toString()] = map[i];
+   }
+
+   Structure()
+   {
+     // do nothing
+   }
+}