.. _program_listing_file_src_common_hash.cpp:

Program Listing for File hash.cpp
=================================

|exhale_lsh| :ref:`Return to documentation for file <file_src_common_hash.cpp>` (``src/common/hash.cpp``)

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

.. code-block:: cpp

   #include <string>
   
   #include "hash.h"
   #include "common/shape.h"
   
   namespace std {
   size_t hash<pair<string, marian::Shape>>::operator()(pair<string, marian::Shape> const& k) const {
     size_t seed = hash<string>{}(k.first);
     marian::util::hash_combine(seed, k.second.hash());
     return seed;
   }
   }  // namespace std