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Calling anchor() guarantees that this iterator can be used as the end of a range, without danger of problems due to concurrent calls to insert_or_replace() or erase() on the map. If anchor() has not been called for a given iterator, then comparisons of that iterator with another will throw jss::concurrent_modification if the node referenced by that iterator has been deleted from the map. This is of specialized use: since the map is unordered, iteration across subranges is tricky, as the order of elements is not guaranteed. The iterator returned from end() is always an anchor.

void anchor();


Anchors the current node.


std::bad_alloc if the memory required to store the anchor information could not be allocated.


#include <jss/concurrent_map.hpp>

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