[#BloombergLP-bdljsn-swap-085]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdljsn.adoc[bdljsn]::swap
:relfileprefix: ../../
:mrdocs:

Exchange the value of the specified `a` `JsonObject` with that of the specified `b` `JsonObject`. This function provides the no‐throw exception‐safety guarantee. This operation has O[1]complexity if `a` was created with the same allocator as `b`; otherwise, it has O[n+m] complexity, where n and m are the number of elements in `a` and `b`, respectively.

== Synopsis

Declared in `<bdljsn_json.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
swap(
    xref:BloombergLP/bdljsn/JsonObject.adoc[JsonObject]& a,
    xref:BloombergLP/bdljsn/JsonObject.adoc[JsonObject]& b);
----


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