unit_map::unit_iterator unit_map::begin() {
// This call just needs to go somewhere that is likely to be
// called when num_iters_ == 0. This seems as good a place as any.
clean_invalid();
umap::iterator i = map_.begin();
while (i != map_.end() && !is_valid(i)) {
++i;
}
return unit_iterator(i, this);
}
unit_map::unit_iterator unit_map::begin() {
// clean if there are more invalid than valid, this block just needs to go somewhere that is likely to be
// called when num_iters_ == 0. This seems as good a place as any.
if (num_invalid_ > lmap_.size() && num_iters_ == 0) {
clean_invalid();
}
umap::iterator i = map_.begin();
while (i != map_.end() && !i->second.first) {
++i;
}
return unit_iterator(i, this);
}
