Reset this object to the default constructed state (i.e., to have the null value), and return a reference providing modifiable access to this object.
Declared in <bdlb_nullablevalue.h>
NullableValue<TYPE>&
operator=(bsl::nullopt_t const& nullopt) noexcept;
a reference providing modifiable access to this object
| Name | Description |
|---|---|
| nullopt | disengaged-optional tag |