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+// Copyright 2016 The Draco Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+#ifndef DRACO_CORE_DRACO_INDEX_TYPE_VECTOR_H_
+#define DRACO_CORE_DRACO_INDEX_TYPE_VECTOR_H_
+
+#include <cstddef>
+#include <utility>
+#include <vector>
+
+#include "draco/core/draco_index_type.h"
+
+namespace draco {
+
+// A wrapper around the standard std::vector that supports indexing of the
+// vector entries using the strongly typed indices as defined in
+// draco_index_type.h .
+// TODO(ostava): Make the interface more complete. It's currently missing
+// features such as iterators.
+// TODO(vytyaz): Add more unit tests for this class.
+template <class IndexTypeT, class ValueTypeT>
+class IndexTypeVector {
+ public:
+  typedef typename std::vector<ValueTypeT>::const_reference const_reference;
+  typedef typename std::vector<ValueTypeT>::reference reference;
+
+  IndexTypeVector() {}
+  explicit IndexTypeVector(size_t size) : vector_(size) {}
+  IndexTypeVector(size_t size, const ValueTypeT &val) : vector_(size, val) {}
+
+  void clear() { vector_.clear(); }
+  void reserve(size_t size) { vector_.reserve(size); }
+  void resize(size_t size) { vector_.resize(size); }
+  void resize(size_t size, const ValueTypeT &val) { vector_.resize(size, val); }
+  void assign(size_t size, const ValueTypeT &val) { vector_.assign(size, val); }
+
+  void swap(IndexTypeVector<IndexTypeT, ValueTypeT> &arg) {
+    vector_.swap(arg.vector_);
+  }
+
+  size_t size() const { return vector_.size(); }
+  bool empty() const { return vector_.empty(); }
+
+  void push_back(const ValueTypeT &val) { vector_.push_back(val); }
+  void push_back(ValueTypeT &&val) { vector_.push_back(std::move(val)); }
+
+  template <typename... Args>
+  void emplace_back(Args &&... args) {
+    vector_.emplace_back(std::forward<Args>(args)...);
+  }
+
+  inline reference operator[](const IndexTypeT &index) {
+    return vector_[index.value()];
+  }
+  inline const_reference operator[](const IndexTypeT &index) const {
+    return vector_[index.value()];
+  }
+  inline reference at(const IndexTypeT &index) {
+    return vector_[index.value()];
+  }
+  inline const_reference at(const IndexTypeT &index) const {
+    return vector_[index.value()];
+  }
+  const ValueTypeT *data() const { return vector_.data(); }
+
+ private:
+  std::vector<ValueTypeT> vector_;
+};
+
+}  // namespace draco
+
+#endif  // DRACO_CORE_DRACO_INDEX_TYPE_VECTOR_H_