Always overwrite values in std::unordered_map objects #4476
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std::unordered_map<Key,T>::emplace(std::pair<Key, T> &&value) and std::unordered_map<Key,T>::insert(std::pair<Key, T> &&value) actually discard the new value if a value with the same key already exists.
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This PR is needed for the upcoming electrostatics/magnetostatics refactoring PR. |
reinaual
approved these changes
Mar 16, 2022
jngrad
added
automerge
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Fixes #4448
Affected code (all ESPResSo versions since 4.0.0):
Utils::Cache(used for particle caches)Utils::Factory(used in the script interface registry)Utils::NumeratedContainer(used in MPI callbacks)ScriptInterface::AutoParameters(multiple parameter definitions didn't overwrite each other)ScriptInterface::GlobalContext(risk of stale references being stored in MPI ranks >=1)bond_breakage(multiple specifications didn't overwrite each other)