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      1 /* Copyright 2017 The TensorFlow Authors. All Rights Reserved.
      2 
      3 Licensed under the Apache License, Version 2.0 (the "License");
      4 you may not use this file except in compliance with the License.
      5 You may obtain a copy of the License at
      6 
      7     http://www.apache.org/licenses/LICENSE-2.0
      8 
      9 Unless required by applicable law or agreed to in writing, software
     10 distributed under the License is distributed on an "AS IS" BASIS,
     11 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     12 See the License for the specific language governing permissions and
     13 limitations under the License.
     14 ==============================================================================*/
     15 
     16 #ifndef TENSORFLOW_COMPILER_XLA_PTR_UTIL_H_
     17 #define TENSORFLOW_COMPILER_XLA_PTR_UTIL_H_
     18 
     19 // As this was moved to tensorflow/core/util, provide indirections here to
     20 // maintain current functionality of the library.
     21 
     22 #include <stddef.h>
     23 
     24 #include <memory>
     25 #include <type_traits>
     26 #include <utility>
     27 
     28 #include "tensorflow/core/util/ptr_util.h"
     29 
     30 namespace xla {
     31 
     32 template <typename T>
     33 std::unique_ptr<T> WrapUnique(T* ptr) {
     34   return tensorflow::WrapUnique<T>(ptr);
     35 }
     36 
     37 template <typename T, typename... Args>
     38 typename tensorflow::helper::MakeUniqueResult<T>::scalar MakeUnique(
     39     Args&&... args) {
     40   return tensorflow::MakeUnique<T, Args...>(std::forward<Args>(args)...);
     41 }
     42 
     43 // Overload for array of unknown bound.
     44 // The allocation of arrays needs to use the array form of new,
     45 // and cannot take element constructor arguments.
     46 template <typename T>
     47 typename tensorflow::helper::MakeUniqueResult<T>::array MakeUnique(size_t n) {
     48   return tensorflow::MakeUnique<T>(n);
     49 }
     50 
     51 }  // namespace xla
     52 
     53 #endif  // TENSORFLOW_COMPILER_XLA_PTR_UTIL_H_
     54