Method nthSetBit

source/MRMesh/MRBitSet.cpp:256–262

}

size_t BitSet::nthSetBit( size_t n ) const
{
    for ( auto b : *this )
        if ( n-- == 0 )
            return b;
    return npos;
}

bool BitSet::is_subset_of( const BitSet& a ) const
{