[#BloombergLP-bdljsn-JsonNull-0b]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdljsn.adoc[bdljsn]::JsonNull
:relfileprefix: ../../
:mrdocs:

This type represents the JSON null value&period; There is only 1 value of this type, so all objects compare equal, hash to the same value, etc&period;

== Synopsis

Declared in `&lt;bdljsn&lowbar;jsonnull&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
class JsonNull;
----

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdljsn/JsonNull-0b/print.adoc[`print`] 
| Write &quot;null&quot; to the specified output `stream`, and return a reference to `stream`&period;
|===


== Non-Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdljsn/operator_not_eq-0c5.adoc[`operator!&equals;`]
| Same as the related overload above for `operator!&equals;`&period;
| xref:BloombergLP/bdljsn/operator_not_eq-0df.adoc[`operator!&equals;`]
| Return whether `lhs` and `rhs` do not have the same value&period;
| xref:BloombergLP/bdljsn/operator_eq-032.adoc[`operator&equals;&equals;`]
| Return `true` (unconditionally) as the specified `lhs` and `rhs` must have the same value&period;
| xref:BloombergLP/bdljsn/operator_eq-0ac.adoc[`operator&equals;&equals;`]
| Same as the related overload above for `operator&equals;&equals;`&period;
| xref:BloombergLP/bdljsn/swap-03c.adoc[`swap`]
| Exchange the values of the specified `a` and `b` objects&period;
|===


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