Home Computer Technology In-Place Construction for std::any, std::variant, and std::optional

In-Place Construction for std::any, std::variant, and std::optional

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When you read articles or reference pages for std::any, std::optional, or std::variant you might notice a few helper types called in_place_* available in constructors.

Why do we need such syntax? Is this more efficient than the "standard" construction?


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