Tag type for empty optional construction
<beman/optional/optional.hpp>struct nullopt_t;| Name | Description |
|---|---|
Tag | Tag enum for nullopt_t construction |
| Name | Description |
|---|---|
nullopt_t [constructor] | Construct a new nullopt_t object |
| Name | Description |
|---|---|
operator<=> |
Three-way comparison operator |
operator== |
Equality operator |