void
increment() override
{
assert (sle1_ || sle0_);
if (sle1_ && !sle0_)
{
inc1();
return;
}
if (sle0_ && !sle1_)
{
inc0();
return;
}
if (sle1_->key () == sle0_->key())
{
inc1();
inc0();
}
else if (sle1_->key () < sle0_->key())
{
inc1();
}
else
{
inc0();
}
skip();
}
void skip()
{
while (iter1_ != end1_ &&
iter1_->second.first == Action::erase &&
sle0_->key() == sle1_->key())
{
inc1();
inc0();
if (! sle0_)
return;
}
}
void *inc(void **p, int sz) {
void *p0;
p0 = *p;
inc0(p, sz);
return p0;
}