boostorg/multi_index — pull request #1 by alexanderkjall (2013-12-01 21:14:48+00:00)
Title: documentation patch, add () when instantiation multi_index

Here is an abridged error message that i get if i don't have () in my code.

error: no matching function for call to 'boost::multi_index::multi_index_container
[...]
note: boost::multi_index::multi_index_container::multi_index_container(const boost::multi_index::multi_index_container&)
[...]
note: candidate expects 1 argument, 0 provided