std::experimental::in_place
From cppreference.com
| Defined in header <experimental/optional>
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constexpr in_place_t in_place{};
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(library fundamentals TS) | |
std::experimental::in_place is a constant of type std::experimental::in_place_t that is used to disambiguate the overloads of constructors and member functions of that take arguments (possibly a parameter pack) for in-place construction of some value.
