[Bug libstdc++/44436] [C++0x] Implement emplace* in associative and unordered containers

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44436

--- Comment #22 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-06-09 
12:25:15 UTC ---
(In reply to comment #21)
> Now with a unique_ptr I'd like to do the same:
> 
> 
> instancesByIds_[id] = user;
> instancesByIds_[id] = std::move(user);
> 
> Both doesnt work.

Nonsense. The second one works fine.

This works too:

instancesByIds_.insert(make_pair(id, std::move(user)));