How to initialize a boost::dynamic_bitset from std::bitset

问题

How can I initialize a boost::dynamic_bitset from std::bitset? The simplest solution is a for loop:

for(int i=0;i<bitset_size;i++)
    my_dynamic_bitset[i] = my_bitset[i];

Is there any shorter or faster way to do this?

来源：https://stackoverflow.com/questions/32326934/how-to-initialize-a-boostdynamic-bitset-from-stdbitset