vector<string> summaryRanges(vector<int>& nums) {
if (nums.empty()) {
return {};
}
int pre = nums[0];
int first = pre;
std::vector<std::string> ans;
auto add_ans = [this, &ans, &pre, &first]() {
if (pre == first) {
ans.push_back(build_vec({pre}));
} else {
ans.push_back(build_vec({first, pre}));
}
};
for (size_t i = 1; i < nums.size(); ++i) {
if (nums[i] == pre + 1) {
pre = nums[i];
} else {
add_ans();
pre = first = nums[i];
}
}
add_ans();
return ans;
}
std::vector<boost::asio::const_buffer> const& chained_buffer::build_iovec(int to_send)
{
TORRENT_ASSERT(is_single_thread());
TORRENT_ASSERT(!m_destructed);
m_tmp_vec.clear();
build_vec(to_send, m_tmp_vec);
return m_tmp_vec;
}
void chained_buffer::build_mutable_iovec(int bytes, std::vector<span<char>> &vec)
{
TORRENT_ASSERT(!m_destructed);
build_vec(bytes, vec);
}
