[#index]
= Global namespace
:relfileprefix: 
:mrdocs:

== Namespaces

[cols=1]
|===
| Name
| xref:beman.adoc[`beman`] 
|===

== xref:beman.adoc[beman] namespace

=== Namespaces

[cols=1]
|===
| Name
| xref:beman/optional.adoc[`optional`] 
|===

== xref:beman/optional.adoc[beman::optional] namespace

=== Types

[cols=2]
|===
| Name
| Description
| xref:beman/optional/bad_optional_access.adoc[`bad_optional_access`] 
| Exception thrown when trying to access the value of an empty optional
| xref:beman/optional/hash-056.adoc[`hash`] 
| 
| xref:beman/optional/hash-051.adoc[`hash<optional<T>>`] 
| 
| xref:beman/optional/in_place_t.adoc[`in_place_t`] 
| Tag type for in place construction
| xref:beman/optional/nullopt_t.adoc[`nullopt_t`] 
| Tag type for nullopt construction
| xref:beman/optional/optional-03.adoc[`optional`] 
| 
| xref:beman/optional/optional-06.adoc[`optional<T&>`] 
| 
|===

=== Functions

[cols=2]
|===
| Name
| Description
| xref:beman/optional/make_optional-02.adoc[`make_optional`] 
| 
| xref:beman/optional/swap.adoc[`swap`] 
| 
| xref:beman/optional/operator_eq-0b0.adoc[`operator==`] 
| Equality operators
| xref:beman/optional/operator_not_eq-0c.adoc[`operator!=`] 
| Inequality operators
| xref:beman/optional/operator_lt-07.adoc[`operator<`] 
| Less‐than operators
| xref:beman/optional/operator_le-05.adoc[`operator<=`] 
| Less‐than‐or‐equal operators
| xref:beman/optional/operator_gt-05.adoc[`operator>`] 
| Greater‐than operators
| xref:beman/optional/operator_ge-09.adoc[`operator>=`] 
| Greater‐than‐or‐equal operators
| xref:beman/optional/operator_3way-0b.adoc[`operator<=>`] 
| Three‐way comparison operators
|===

=== Variables

[cols=2]
|===
| Name
| Description
| xref:beman/optional/in_place.adoc[`in_place`] 
| 
| xref:beman/optional/nullopt.adoc[`nullopt`] 
| Tag to disengage optional objects.
|===

=== Concepts

[cols=1]
|===
| Name
| xref:beman/optional/is_derived_from_optional.adoc[`is_derived_from_optional`] 
|===


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