typename T2::iterator copy_safe_apart(size_t n, const T1 & tab_src, T2 & tab_dst, size_t offset_src=0, size_t offset_dst=0) {
_dbg5("copy (tab) n="<<n);
if (n<1) return tab_dst.begin();
// could write both blocks below with lambda, in C++17TODO when decomposition declarations is available
// source
auto src_rb = tab_src.begin() + offset_src; // rb = range begin
_check_input( offset_src < tab_src.size() );
_check_input( n <= tab_src.size() - offset_src ); // subtracting offset_src is valid since above
auto src_rl = tab_src.begin() + offset_src + n -1; // range last
_dbg5("Source range src_rb="<<to_debug(src_rb)<<" ... src_rl="<<to_debug(src_rl));
_check_abort( src_rl <= tab_src.end() );
// dest
auto dst_rb = tab_dst.begin() + offset_dst; // rb = range begin
_check_input( offset_dst < tab_dst.size() );
_check_input( n <= tab_dst.size() - offset_dst ); // subtracting offset_dst is valid since above
auto dst_rl = tab_dst.begin() + offset_dst + n -1; // range last
_dbg5("Destintion range dst_rb="<<to_debug(dst_rb)<<" ... dst_rl="<<to_debug(dst_rl));
_check_abort( dst_rl <= tab_dst.end() );
bool overlap = test_ranges_overlap_inclusive_noempty(src_rb, src_rl, dst_rb, dst_rl);
_dbg5("overlap=" << overlap);
_check_input(!overlap);
copy_iter_and_check_no_overlap( src_rb, src_rl, dst_rb, n );
_dbg5("Copy done.");
return dst_rb;
}
void c_peering::print(ostream & ostr) const {
ostr << "peering{";
ostr << " peering-addr=" << m_peering_addr;
ostr << " hip=" << m_haship_addr;
ostr << " pub=" << to_debug(m_pubkey);
ostr << "}";
}
