Create an Optional_Base object whose contained value is initialized from the specified args.
Declared in <bslstl_optional.h>
template<class... t_ARGS>
constexpr
explicit
Optional_Base(
std::in_place_t inPlace,
t_ARGS&&... args);| Name | Description |
|---|---|
| inPlace | tag selecting in-place construction of the contained value |
| args | arguments forwarded to construct the contained value |