HashMap: combine inserted and deleted into one bitset
HashMap: combine inserted and deleted into one bitset

riginding/dora,dinfuehr/dora,dinfuehr/dora,riginding/dora,riginding/dora,dinfuehr/dora,riginding/dora,dinfuehr/dora,riginding/dora,dinfuehr/dora,riginding/dora,riginding/dora,dinfuehr/dora