.. _program_listing_file__tmp_ws_src_fastrtps_include_fastdds_dds_core_LoanableArray.hpp:

Program Listing for File LoanableArray.hpp
==========================================

|exhale_lsh| :ref:`Return to documentation for file <file__tmp_ws_src_fastrtps_include_fastdds_dds_core_LoanableArray.hpp>` (``/tmp/ws/src/fastrtps/include/fastdds/dds/core/LoanableArray.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   // Copyright 2020 Proyectos y Sistemas de Mantenimiento SL (eProsima).
   //
   // 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 _FASTDDS_DDS_CORE_LOANABLEARRAY_HPP_
   #define _FASTDDS_DDS_CORE_LOANABLEARRAY_HPP_
   
   #include <cstdint>
   #include <array>
   
   namespace eprosima {
   namespace fastdds {
   namespace dds {
   
   template<typename T, std::size_t num_items>
   struct LoanableArray : public std::array<T, num_items>
   {
       LoanableArray()
       {
           for (std::size_t n = 0; n < num_items; ++n)
           {
               buffer_[n] = &((*this)[n]);
           }
       }
   
       // Non-copyable
       LoanableArray(
               const LoanableArray&) = delete;
       LoanableArray& operator = (
               const LoanableArray&) = delete;
   
       // Non-moveable
       LoanableArray(
               LoanableArray&&) = delete;
       LoanableArray& operator = (
               LoanableArray&&) = delete;
   
       void** buffer_for_loans() const
       {
           return (void**) buffer_;
       }
   
   private:
   
       void* buffer_[num_items];
   };
   
   } // namespace dds
   } // namespace fastdds
   } // namespace eprosima
   
   #endif // _FASTDDS_DDS_CORE_LOANABLEARRAY_HPP_