void MsgBuf::append(MsgBuf::Iterator first, MsgBuf::Iterator last)
{
MsgBuf::Iterator it = container_.begin();
MsgBuf::Iterator jt = first;
KeyComp comp(comp_);
while(jt != last) {
#ifdef FAST_VECTOR
it = container_.lower_bound(it, jt->key, comp);
#else
it = lower_bound(it, container_.end(), jt->key, comp);
#endif
if (it == container_.end() || it->key != jt->key) {
// important, it maybe invalid after insertion
it = container_.insert(it, *jt);
size_ += jt->size();
} else {
size_ -= it->size();
it->destroy();
*it = *jt;
size_ += it->size();
}
jt ++;
}
}
void MsgBuf::write(const Msg& msg)
{
#ifdef FAST_VECTOR
MsgBuf::Iterator it = container_.lower_bound(msg, KeyComp(comp_));
#else
MsgBuf::Iterator it = lower_bound(container_.begin(),
container_.end(), msg, KeyComp(comp_));
#endif
if (it == end() || it->key != msg.key) {
container_.insert(it, msg);
size_ += msg.size();
} else {
size_ -= it->size();
it->destroy();
*it = msg;
size_ += msg.size();
}
}