Function to_snake_case

cpp/fory/util/string_util.h:244–261

template <size_t MaxLength>
constexpr std::pair<std::array<char, MaxLength + 1>, size_t>
to_snake_case(std::string_view name) {
  std::array<char, MaxLength + 1> buffer{};
  size_t pos = 0;
  for (size_t i = 0; i < name.size(); ++i) {
    char c = name[i];
    if (c == '_' || c == '-') {
      buffer[pos++] = '_';
      continue;
    }
    if (needs_snake_separator(name, i)) {
      buffer[pos++] = '_';
    }
    buffer[pos++] = is_upper_ascii(c) ? to_lower_ascii(c) : c;
  }
  buffer[pos] = '\0';
  return {buffer, pos};
}

} // namespace detail