Panzer_StlMap_Utilities.hpp

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// @HEADER
// *****************************************************************************
//           Panzer: A partial differential equation assembly
//       engine for strongly coupled complex multiphysics systems
//
// Copyright 2011 NTESS and the Panzer contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER
 
#ifndef PANZER_STLMAP_UTILITIES_HPP
#define PANZER_STLMAP_UTILITIES_HPP
 
#include "Teuchos_Assert.hpp"
#include <map>
#include <iostream>
 
namespace panzer {
 
  template<typename MapT>
  const typename MapT::mapped_type &
  getEntry(const MapT& in_map, const typename MapT::key_type& in_key) {
    
    typename MapT::const_iterator it = in_map.find(in_key);
 
    TEUCHOS_TEST_FOR_EXCEPTION(it == in_map.end(), std::runtime_error,
           "Failed to find the key " << in_key << " in the map."
           << std::endl);
 
    return it->second;
  }
 
}
 
#endif