Generic object pool for use with Google Dart

gistfile1.dart

import 'dart:collection';

import 'poolable.dart';

class TestObject extends Poolable {
  static TestObject creator() {
    return new TestObject();
  }
}

class Pool<T extends Poolable> {
  
  Function _creator;
  Queue<T> _pool = new Queue<T>();
  
  Pool(T creator()) {
    _creator = creator;
  }
  
  T fetch() {
    T obj = _pool.isNotEmpty
        ? _pool.removeLast()
        : _creator();
    obj.reset();
    return obj;
  }
  
  void discard(T obj) {
    obj.cleanup();
    _pool.addLast(obj);
  }
  
}

//...

Pool<TestObject> pool = new Pool<TestObject>(TestObject.creator);
TestObject obj = pool.fetch();