Disambiguation tag for in-place construction at a given index.
Declared in <absl/utility/utility.h>
[[deprecated("Use std::in_place_index<I> instead.")]]
template<size_t I>
inline constexpr std::in_place_index_t<I> const& in_place_index = std::in_place_index<I>;
Deprecated: Use std::in_place_index<I> instead.. Use of this entity is allowed but discouraged.