emplace_back not working with std::vector>

Question

I am trying to do emplace_back into a std::vector>, but could not find the right syntax to do it.

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Answer 1

This seems to be currently unsupported, if I understand these issue reports right:

http://cplusplus.github.io/LWG/lwg-active.html#2089

http://cplusplus.github.io/LWG/lwg-active.html#2070