std::experimental::in_place
From cppreference.com
< cpp | experimental | optional
Defined in header <experimental/optional>
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constexpr in_place_t in_place{}; |
(library fundamentals TS) | |
std::experimental::in_place is a constant of type
std::experimental::in_place_t
See also
| in-place construction tag (tag) |
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(C++17)
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a wrapper that may or may not hold an object (class template) |