Function FindInKeyMap

src/utils.cc:334–342

template <size_t N>
constexpr std::optional<UINT> FindInKeyMap(
    std::wstring_view key,
    const std::pair<std::wstring_view, UINT> (&map)[N]) {
  for (const auto& [name, code] : map) {
    if (EqualsIgnoreCase(key, name))
      return code;
  }
  return std::nullopt;
}

// Parse function key (F1-F24)
std::optional<UINT> ParseFunctionKey(std::wstring_view key) {