Self-test questions

For multiple choice questions, choose all options that apply:

1. The ordered_non_unique index on Boost multi_index_container has the semantics of:

   a. std::set

   b. std::multiset

   c. std::unordered_set

   d. std::unordered_multiset

2. Deleting an element in a multi_index_container will only invalidate the iterator to the deleted element, irrespective of the index.

   a. True

   b. False

   c. Depends on the type of index

3. Which of the following bimap types has semantics equivalent to a multimap<T, U>?

   a. bimap<T, multiset_of<U>>

   b. bimap<multiset_of<T>, U>

   c. bimap<multiset_of<T>, unconstrained_set_of<U>>

   d. bimap<multiset_of<T>, multiset_if<U>>