semver_utils.hpp

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#pragma once
 
#include <algorithm>
#include <optional>
#include <string>
#include <vector>
 
namespace radix_relay::nostr {
 
[[nodiscard]] inline auto extract_version_from_tags(const std::vector<std::vector<std::string>> &tags)
  -> std::optional<std::string>
{
  auto it = std::find_if(
    tags.begin(), tags.end(), [](const auto &tag) { return tag.size() >= 2 and tag[0] == "radix_version"; });
 
  if (it != tags.end()) { return (*it)[1]; }
  return std::nullopt;
}
 
}// namespace radix_relay::nostr