Tag type for empty optional construction

Synopsis

Declared in <beman/optional/optional.hpp>

struct nullopt_t;

Enums

Name

Description

Tag

Tag enum for nullopt_t construction

Member Functions

Name

Description

nullopt_t [constructor]

Construct a new nullopt_t object

Friends

Name Description

beman::optional::operator<=>

Three‐way comparison operator

beman::optional::operator==

Equality operator

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