Create an Optional_Base object.
Declared in <bslstl_optional.h>
template<class... t_ARGS>
explicit
Optional_Base(
std::in_place_t inPlace,
t_ARGS&&... args);
Create an Optional_Base object having the value of the (template parameter) t_TYPE created in place using the specified args. Use the currently installed default allocator to supply memory.
| Name | Description |
|---|---|
| inPlace | tag selecting in-place construction of the contained value |
| args | arguments forwarded to construct the contained value |