c 2b 2b get map keys

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showing results for - "c 2b 2b get map keys"
Brandon
30 Nov 2020
1template<typename TK, typename TV>
2std::vector<TK> extract_keys(std::map<TK, TV> const& input_map) {
3  std::vector<TK> retval;
4  for (auto const& element : input_map) {
5    retval.push_back(element.first);
6  }
7  return retval;
8}
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