[#nlohmann-basic_json-05-operator_3way-05]
= xref:nlohmann.adoc[nlohmann]::xref:nlohmann/basic_json-05.adoc[basic_json<>]::operator<=>
:relfileprefix: ../../
:mrdocs:

Three‐way comparison operator

== Synopsis

Declared in `<nlohmann/json.hpp>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::partial_ordering
operator<=>(xref:nlohmann/basic_json-05/const_reference.adoc[const_reference] rhs) const noexcept;
----

== Return Value

The relative order of the objects

== Parameters

[cols="1,4"]
|===
|Name|Description

| *rhs*
| The right operand
|===


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