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       1                 :             : // Copyright (c) The Bitcoin Core developers
       2                 :             : // Distributed under the MIT software license, see the accompanying
       3                 :             : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
       4                 :             : 
       5                 :             : #ifndef MP_PROXY_TYPE_CHRONO_H
       6                 :             : #define MP_PROXY_TYPE_CHRONO_H
       7                 :             : 
       8                 :             : #include <mp/util.h>
       9                 :             : 
      10                 :             : #include <chrono>
      11                 :             : 
      12                 :             : namespace mp {
      13                 :             : //! Overload CustomBuildField and CustomReadField to serialize std::chrono
      14                 :             : //! parameters and return values as numbers.
      15                 :             : template <class Rep, class Period, typename Value, typename Output>
      16                 :           0 : void CustomBuildField(TypeList<std::chrono::duration<Rep, Period>>, Priority<1>, InvokeContext& invoke_context, Value&& value,
      17                 :             :                       Output&& output)
      18                 :             : {
      19                 :             :     static_assert(std::numeric_limits<decltype(output.get())>::lowest() <= std::numeric_limits<Rep>::lowest(),
      20                 :             :                   "capnp type does not have enough range to hold lowest std::chrono::duration value");
      21                 :             :     static_assert(std::numeric_limits<decltype(output.get())>::max() >= std::numeric_limits<Rep>::max(),
      22                 :             :                   "capnp type does not have enough range to hold highest std::chrono::duration value");
      23                 :           0 :     output.set(value.count());
      24                 :           0 : }
      25                 :             : 
      26                 :             : template <class Rep, class Period, typename Input, typename ReadDest>
      27         [ #  # ]:           0 : decltype(auto) CustomReadField(TypeList<std::chrono::duration<Rep, Period>>, Priority<1>, InvokeContext& invoke_context,
      28                 :             :                                Input&& input, ReadDest&& read_dest)
      29                 :             : {
      30         [ #  # ]:           0 :     return read_dest.construct(input.get());
      31                 :             : }
      32                 :             : } // namespace mp
      33                 :             : 
      34                 :             : #endif // MP_PROXY_TYPE_CHRONO_H